Component Identifiers (CID) List
CID No. Component
Engine Control MID 36
001 Cylinder 1 Injector Solenoid
002 Cylinder 2 Injector Solenoid
003 Cylinder 3 Injector Solenoid
004 Cylinder 4 Injector Solenoid
005 Cylinder 5 Injector Solenoid
006 Cylinder 6 Injector Solenoid
007 Cylinder 7 Injector Solenoid
008 Cylinder 8 Injector Solenoid
009 Cylinder 9 Injector Solenoid
010 Cylinder 10 Injector Solenoid
011 Cylinder 11 Injector Solenoid
012 Cylinder 12 Injector Solenoid
042 Rail Control Valve
091 Throttle Position Sensor
094 Filtered Fuel Pressure
100 Engine Oil Pressure Sensor
101 Crankcase Pressure
110 Coolant Temperature Sensor
161 Timing Calibration
164 Rail Pressure Reading
168 Electrical System Voltage
174 Fuel Temperature
175 Engine Oil Temperature
190 Engine RPM Sensor
248 CAT Data Link
253 Personality Module Mismatch
254 Internal ECM Failure
261 Timing Calibration
262 Analog Sensor Power Supply
263 Digital Sensor Power Supply
264 Shutdown/Decelerator Inputs
266 Crank w/o Injector Inputs
267 Shutdown Inputs
268 Programmed Parameter Fault
273 Turbo Outlet Pressure Calibration
274 Atmospheric Pressure Calibration
275 Turbocharger Pressure (Right)
276 Turbocharger Pressure (Left)
277 Timing Calibration
279 Water Temperature Aftercooler
281 Engine Lamp
284 EMS Engine On
285 EMS Coolant Lamp
286 EMS Oil Lamp
289 Unfiltered Fuel Pressure
291 Engine Fan Valve
298 Invalid Service Brake Switch
336 Engine Control Switch
337 E-Stop Switch
338 Prelubrication Relay
342 Loss Of Sec Engine RPM Signal
363 Ride Control
444 Starting Motor
542 Unfiltered Oil Pressure
544 Engine Fan Speed
545 Ether Inject Control Relay
548 Throttle Lock Lamp
601 Brake Air Pressure Sensor
680 Ride Control Switch
827 Turbocharger Exhaust Temp (Left)
828 Turbocharger Exhaust Temp (Right)
Transmission Control MID 27
168 Electrical System Voltage
190 Engine Speed Sensor
248 CAT Data Link
269 Sensor Supply Voltage
571 Forward Elevator Solenoid
572 Reverse Elevator Solenoid
575 Elevator Level Sensor
627 Secondary Brake Pressure Switch
650 Harness Code
672 Torque Convertor Output
700 Transmission Gear Switch
701 Transmission Output Speed Sensor
702 Shift Lever Switch
704 Service Brake Pressure Switch
Automatic Retarder Control MID 83
091 Throttle Position Sensor
168 Electrical System Voltage
190 Engine RPM Senspr
248 CAT Data Link
627 Parking Brake Switch
650 Harness Code
700 Actual Gear Switch
702 Shift Lever Switch
710 ARC Supply Solenoid
711 ARC Control Solenoid
712 Retarder Lamp
713 ARC On/Off Switch
714 Auto Retarder Pressure Switch
715 Retarder Pressure Switch
Component Location
Component
Schematic
Location
Machine
Location
Component
Schematic
Location
Machine
Location
Acc Outlet B-10 1 Sensor - Brake Oil Temp A-10 26
Acc Outlet D-8 B Sensor - Coolant Temp C-3 24
Alarm - Action C-4 C Sensor - Engine Oil Pressure B-3 26
Alternator A-5 2 Sensor - Engine Oil Temp B-3 26
Battery A-7 3 Sensor - Fan Speed A-5 24
Breaker - A/C (15A) D-6 B Sensor - Fuel Temp B-3 27
Breaker - Alternator (105A) C-6 B Sensor - Primary Cam S/T C-3 24
Breaker - Dome Lamp (15A) C-6 B Sensor - Rail Pressure C-3 26
Breaker - Engine ECM (15A) D-5 B Sensor - Shift Lever Position D-11 C
Breaker - Head Lamp (15A) D-5 B Sensor - Strut Left Front B-5 28
Breaker - Key (1OA) D-6 B Sensor - Strut Left Rear B-14 29
Breaker - Secondary Steering (10A) D-6 B Sensor - Strut Right Front A-5 30
Breaker - Turn Lamp (15A) D-5 B Sensor - Strut Right Rear B-l4 31
Caterpillar Monitoring System E-1 A Sensor - Torque Converter Temp B-8 32
Cigar Lighter C-3 A Sensor - Throttle Position C-6 C
Control - Arc D-13 D5 Sensor - Turbo (RH) Inlet Pressure A-5 30
Control - Oil Burn C-15 40 Sensor - Turbo Outlet Pressure B-3 26
Control - Payload Monitor C-14 D5 Sensor - Wheel Speed A-15 33
Control - Secondary Steering F-15 D6 Sensor - Wheel Speed B-15 34
Control - Traction Aid E-15 D5 Solenoid - A/C Clutch A-5 2
Control - XMSN D-13 D5 Solenoid - Downshift A-13 35
Converter - 24V/12V C-4 D7 Solenoid - Engine Cyl Head (1, 3, 5, 7) C-2 26
Distributor - XMSN Speed E-15 D6 Solenoid - Engine Cyl Head (2, 4, 6, 8) B-2 26
Dryer - Air A-9 4 Solenoid - Fan Clutch B-6 24
Engine ECM A-3 8 Solenoid - Four Way A-14 36
Flasher C-15 D7 Solenoid - Lockup A-13 18
Fuses D-6 B Solenoid - Proportional A-14 36
Gauge Module F-1 A Solenoid - Smoke Box B-12 19
Lamp - Action Monitor F-2 A Solenoid - Start Aid A-6 37
Lamp - Body Up F-2 A Solenoid - Up Shift A-14 35
Lamp - Lever Position D-11 A Speedo/Tach F-1 A
Lamp - Payload Monitor (Green) D-1 10 Starter A-6 17
Lamp - Payload Monitor (Green) A-5 11 Starter A-7 17
Lamp - Payload Monitor (Red) A-5 11 Switch - A/C D-2 A
Lamp - Payload Monitor (Red) D-1 10 Switch - A/C Fan Pressure B-6 2
Lamp - Retarder F-2 A Switch - A/C Refrigerant Pressure B-7 2
Lamp - Secondary Steering F-2 A Switch - Auto Retard Pressure D-12 38
Light Dimmer F-14 D8 Switch - Auto Retarder D-3 A
Module - Stop/Tail Lamp B-14 12 Switch - Blower D-2 A
Motor - Blower E-10 C Switch - Body Raise C-11 B
Motor - Prelube A-7 15 Switch - Brake Master Cylinder Overstroke A-10 39
Motor - Secondary Steering A-7 18 Switch - Caterpillar Monitoring Sys Clear E-5 B
Payload Monitor Operator Display C-7 C Switch - Caterpillar Monitoring Sys Service E-5 B
Receptacle - Aux Start A-6 13 Switch - Coolant Flow C-3 26
Relay - Backup C-15 D6 Switch - Disconnect A-7 40
Relay - Headlamp C-7 D14 Switch - Door Courtesy Lamp C-5 41
Relay - Main Power (Front) D-6 D13 Switch - Exhaust Diverter E-5 20
Relay - Main Power (Mid) C-6 D13 Switch - Head Lamp Dimmer D-5 C
Relay - Main Power (Rear) C-6 D13 Switch - Key Start E-3 A
Relay - Prelube A-6 16 Switch - Retarder Brake F-15 C
Relay - Prelube C-6 D14 Switch - Running Lamp E-3 A
Relay - Start A-7 17 Switch - Secondary Brake F-15 9
Relay - Start B-6 17 Switch - Service Brake E-15 D9
Relay - Start Aid Hold C-15 D14 Switch - Start Aid E-1 C
Relay - Start Aid On B-15 D14 Switch - Steering A-8 4
Relay - Steering Motor A-7 17 Switch - Stop Lamp F-15 D9
Relay - Stoplamp D-7 D14 Switch - Supp Steer F-3 A
Resistor - Blower Speed E-10 C Switch - Throttle Backup E-2 C
Resistor - Engine Speed A-6 19 Switch - Traction Aid Test D-3 A
Resistor - Exhaust Diverter B-14 D7 Switch - Transmission A-13 35
Resistor - Oil Burn B-14 40 Switch - Turn Signal D-5 C
Resistor - Start Aid B-15 D10 Switch - XMSN Filter A-9 42
Sender - Fuel Level A-11 21 Thermostat E-11 C
Sender - XMSN Speed A-13 22 Valve - Arc Control E-12 9
Sensor - Atmospheric Pressure B-3 23 Valve - Arc Supply E-12 9
Sensor - Backup Cam S/T C-3 24 Valve - Rail Pressure Control C-3 26
Sensor - Body Up B-14 25
Sensor - Brake Air Pressure C-15 D9
Machine location are repeated for components located close together
A = Operator Compartment - Front Dash
B = Operator Compartment - Rear Console
C = Operator Compartment
D = Operator Compartment - Behind Operator Compartment
Connector Location
Connector Number
Schematic
Location
Machine
Location
CONN 1 D-15 D45
CONN 2 D-15 D45
CONN 3 A-14 32
CONN 4 B-14 32
CONN 5 E-14 D44
CONN 6 A-13 35
CONN 7 B-13 1
CONN 8 F-13 D44
CONN 9 B-13 1
CONN 10 C-12 1
CONN 11 D-12 D45
CONN 12 D-12 D45
CONN 13 D-12 D45
CONN 14 C-11 1
CONN 15 E-12 B
CONN 16 D-10 D44
CONN 17 C-10 1
CONN 18 E-10 C
CONN 19 C-9 1
CONN 20 D-9 C
CONN 21 C-8 1
CONN 22 B-5 1
CONN 23 B-5 43
CONN 24 E-5 44
CONN 25 A-4 26
CONN 26 E-4 C
CONN 27 E-4 C
CONN 28 E-2 C
¹ The connectors shown in this chart are for harness to harness connectors with a
minimum of four contacts and other special connectors. Connectors that join a
harness to a component are generally located at or near the component. See the
Component Location Chart.
Failure Mode Identifiers (FMI)
FMI No.
Failure Description
0 Data valid but above normal operational range.
1 Data valid but below normal operational range.
2 Data erratic, intermittent, or incorrect.
3 Voltage above normal or shorted high.
4 Voltage below normal or shorted low.
5 Current below normal or open circuit.
6 Current above normal or grounded circuit.
7 Mechanical system not responding properly.
8 Abnormal frequency, pulse width, or period.
9 Abnormal update.
10 Abnormal rate of change.
11 Failure mode not identifiable.
12 Bad device or component.
13 Out of calibration.
Related Electrical Service Manuals
Form Number
Arc Control SENR5683
Alternator 100-5047 SENR2082
Caterpillar Monitoring System SENR6717
Engine Control SENR1037
Payload Monitor SENR4733
Starting And Charging Systems SENR2947
Starting Motor 6V-0890 SENR3860
Traction Aid Control SENR2986
Transmission Control SENR9122
Title
Mode Of Operation Mode Number
Normal 0
Harness Code 1
Numeric Readout 2
Service 3
Tattletale (Log) 4
Units 5
Total Load Count Display 6
Calibration (EPTC ll) 7
Monitoring System Service Modes
Resistor, Sender and Solenoid Specifications
Part No. Component Description Resistance (Ohms)¹
125-9740 Resistor - Blower Motor Overall 2.6 ± 0.12
124-6704 Resistor - Exhaust Diverter, Oil Burn, Start Aid Overall 20 ± .2
3E-1906 Solenoid - A/C Clutch 17.6 ± 0.6
7X-1120 Solenoid - Downshift, Upshift, Lockup 33.7
131-3098 Solenoid - Engine Cyl Head (1-8) 2.1 ± 0.2
105-3025 Solenoid - Fan Clutch 4.3
9G-9988 Solenoid - Four Way 24.9
3T-0062 Solenoid - Proportional 16.0
101-3430 Solenoid - Smoke Box 31.1 ± 2.4
3E-6333 Solenoid - Start Aid 6.0
¹ At room temperature unless otherwise noted.
Off Machine Switch Specification
Part No. Function Actuate Deactuate Contact Position
2M-9346 Stop Lamp Pressure
45.0 kPa Max
(6.5 psi MAX)
5 kPa MIN
(0.5 psi MIN)
Normally Open
3E-2033 Secondary Brake Air Pressure (Trans)
640 kPa
(92.0 psi)
530 ± 40 kPa
(77.0 ± 6.0 psi)
Normally Open
3E-2034
80 kPa
(12.0 psi)
55 ± 20 kPa
(8.0 ± 3.0 psi)
Normally Closed
3E-6429 Steering
4 grams
(.l4oz)
1.5 grams
(.05oz)
Normally Open
7V-5647 Brake Master Cylinder Overstroke
12.23 ± 5.56 N
(2.75 ± 1.25 Ib)
—
—
Normally Closed
9X-7781 Power Train Filter Pressure (EMS)
210 ± 70 kPa
(30 ± 10psi)
—
—
Normally Open
103-4977 Retarder Brake Pressure
60.0 kPa
(8.7 psi)
—
—
Normally Open
111-9560 A/C Fan Pressure
1585 kPa ± 103kPa
(230 psi ± 14.9 psi)
1275 kPa ± 103kPa
(185 psi ± 14.9 psi)
Normally Closed
111-9563 Auto Retarder Pressure
80.0 kPa MAX
(11.6 psi MAX)
55.0 ± 20.0 kPa
(8.0 ± 2.9 psi)
NormallyClosed
114-5333 Refrigerant Pressure (AC)
275 to 1750 kPa
(40 to 255 psi)
—
—
Normally Open
Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Power Circuits
Control Circuits (cont'd)
101 RD Bat(+) 714 YL XMSN Lever Code 4
102 BU HdLmp 715 GN XMSN Lever Code 5
103 YL AuxCkt 716 BU XMSN Lever Code 6
105 BR Key Sw 720 PU XMSN Brake Sw
109 OR Alt Output (+) Term. 721 BR XMSN Gear Code 1
112 PU Main Power RIy Output 722 WH XMSN Gear Code 2
113 OR Opr Mon Panel VMIS B+ Switched 723 OR XMSN Gear Code 3
121 YL Bckp Alarm to Lamp 724 YL XMSN Gear Code 4
122 BU Aux Ckt 725 GN XMSN Gear Code 5
123 WH Aux Ckt 726 BU XMSN Gear Code 6
124 ON A/C 727 GN Suppl Ster Motor Relay
126 PK XMSN Ctrl 728 BU Suppi Ster Cont Sw
129 BU Aux Ckt 767 WH AETA Pickup Power
132 PK AETA Ctrl 768 OR AETA Pickup XMSN
135 BU AuxCkt 769 BU Wheel Speed Pickup Left
136 GN Suppl Ster 770 GN Wheel Speed Pickup Right
137 OR Suppl Ster Motor Fuse 772 BR AETA Retarder Sw
138 GN Auto Lube Pump to Payload Mon 773 GY AETA Servovalve
140 BU Aux Ckt 774 YL AETA Sol - Left
141 PK AuxCkt 775 BR AETA Sol - Right
150 OR Bat(+) 794 YL Payload Mon XMSN Speed
173 YL Aux Ckt 799 WH Sensor Power
176 OR Aux Ckt A700 OR Digital Sensor Power (+8V) (PIN 35) Engine ECM
Ground Circuits
A701 GY Injector #1 Engine ECM
200 BK Main Chassis A702 PU Injector #2 Engine ECM
201 BK Opr Mon Panel VMIS CMS A703 BR Injector #3 Engine ECM
202 BK XMSN Ctrl A704 GN Injector #4 Engine ECM
213 BK AETA Coding Pin 17 A705 BU Injector #5 Engine ECM
215 BK AETA Coding Pin 19 A706 GY Injector #6 Engine ECM
216 BK AETA Coding Pin 20 A707 PU Injector #7 Engine ECM
217 BK XMSN Id Code 2 A708 BR Injector #8 Engine ECM
218 BK XMSN Id Code 1 A709 OR Injector #9 Engine ECM
219 BK XMSN Id Code 0 A710 GY Injector #10 Engine ECM
227 BK XMSN Id Code 3 A711 PU Injector #11 Engine ECM
229 BK Bat (-) A712 BR Injector #12 Engine ECM
231 BK XMSN Sw A746 PK Turbo Outlet Pressure (Pin 23) Engine ECM
250 BK Payload Mon - Customer Gnd A747 GY Atmospheric Pressure (Pin 20) Engine ECM
251 BK Payload Mon - System Gnd A751 YL After Cooler Temp (Pin 15) Engine ECM
280 BK XMSN Ctrl ldent Code 4 A707 GN VMIS Display +V
290 BK CMS Service E708 PK VMIS Display Clock
291 BK CMS Clear E735 PU Smart EMS Tack/Serv Mtr/Odometer Select
A215 BK Auto Retarder Ctrl Harness Code 0 E750 PU Body Position Sensor Signal TIm
A216 BK Auto Retarder Ctrl Harness Code 1 E793 BU ATA Data Link - (Pin 1) Engine ECM
A217 BK Auto Retarder Ctrl Harness Code 2 E794 YL ATA Data Link + (Pin 7) Engine ECM
A218 BK Auto Retarder Ctrl Harness Code 3 E795 YL Crankcase Press (Pin 31) Engine ECM
A231 BK Auto Retarder Ctrl Harness Code 4 6796 GN Oil Press (Unfiltered) (Pin 37) Engine ECM
A234 BK J1939 Shield Gnd (Engine ECM) E797 WH PWM #3 Return (Pin 35) Engine ECM
Basic Machine Circuits
6798 PK PWM #3 (Pin 29) Engine ECM
304 WH Starter Rly No. 1 Output E799 BR PWM #1 and #2 Return (Pin 7) Engine ECM
306 GN Starter Rly Coil to Neut Start Sw or Key Sw F700 BU PWM #1 Out (3.5A) (Pin 19) Engine ECM
307 OR Key Sw to Neut Start Sw or VMIS Sensor Module F701 BR PWM #2 Out (3.5A) (Pin 13) Engine ECM
308 YL Main Power Rly Coil F702 ON Throttle (Pin 24) Engine ECM
315 GN Start Aid Brkr to Start Aid Rly F703 GY LH Turbine Inlet Exh Temp (Pin 25) Engine ECM
317 YL Start Aid Rly to Start Aid Sol F704 OR RH Turbine Inlet Exh Temp (Pin 1) Engine ECM
321 BR Bckp Alarm Lamp Travel Alarm F705 PK Dout 6 (Pin 21) Engine ECM
337 WH Prelube Pushbutton Sw to Prelube Timer F706 PU Dout 5 Pin 27) Engine ECM
Monitoring Circuits
F707 WH Start Aid Current Level RIy (Pin 22) Engine ECM
403 ON Alternator (R) Term. F708 YL Dout 3 (Pin 28) Engine ECM
408 WH Opr Mon System Air Press. F709 BU Dout 2 (Pin 34) Engine ECM
410 WH Opr Mon Fault Alarm F710 BR Start Aid on Relay (Pin 40) Engine ECM
411 PK Opr Mon Master Fault Lamp F71 1 GN CAN Link + Engine ECM
412 BU Opr Mon Cool Flow/DS2 (Pin 26) Engine ECM F712 GY CAN Link - Engine ECM
417 GY Primary Ster Sw F713 OR Left Turbo Inlet Press (Pin 14) Engine ECM
426 BR Opr Mon Power Train Oil Filter F714 PK Right Turbo Inlet Press (Pin 2) Engine ECM
446 PU Brake Oil Temp Gauge F71 5 PU Shutdown (NO) (Pin 2) Engine ECM
447 PK Fuel Level Gauge F716 WH Shutdown (NC) (Pin 8) Engine ECM
450 YL Tach Sender (+) F717 YL Sw 4 (Pin 14) Engine ECM
452 PU Torque Converter F718 BU Sw 5 (Pin 20) Engine ECM
454 GN Retarder lidicator Lamp F719 BR Sw 6/1 (Pin 24) Engine ECM
462 YL Suppl Ster Motor indicator F720 GN Sw 8/3 (Pin 25) Engine ECM
472 OR Parking Brake Sw to Overstroke Sw F721 GY Sw 9/4 (Pin 19) Engine ECM
481 GN Converter Temp Sw to Brake Oil Temp Sw F722 OR Sw 10/5 (Pin 13) Engine ECM
C413 YL VMIS Display Data F723 PK TBC Probe + (Pin 18) Engine ECM
C414 BU VMIS Display Load F724 PU TDC Probe - (Pin 12) Engine ECM
Accessory Circuits
F725 WH Fuel Press (Pin 24) Engine ECM
508 PU Radio Speaker - Left F726 YL Injector Common 1 & 3 Engine ECM
509 WH Radio Speaker - Left (Common) F727 BU Injector Common 2 & 4 Engine ECM
511 BR Radio Speaker - Right F728 BR Injector Common 5 & 7 Engine ECM
512 GN Radio Speaker - Right (Common) F729 GN Injector Common 6 & 8 Engine ECM
513 OR A/C Compressor/Refrigerant Press. Sw F730 GY Injector Common 9 & 11 Engine ECM
515 GY Blower Motor (Hi) F731 OR Injector Common 10 & 12 Engine ECM
516 GN Blower Motor (Medium) F732 PK
Backup Camshaft Spr/Tmg (Marine) (Pin 39)
Engine ECM
517 BU Blower Motor (Lo) F737 YL Analog Sensor Input 6 Engine ECM
518 OR Hazard Flasher to Sw 818 BR Serial Data (Transmit)
520 WH Opr A/C Sw to Thermostat/Fuse 819 GY Serial Data (Receive)
521 YL A/C Sw to Refrigerant Sw 820 BU Transmit Key
522 WH A/C Clutch to Thermostat Sw 858 GY Payload Mon Right Front Sensor
537 GN Turn Signal Sw to Flasher 859 YL Payload Mon Left Front Sensor
539 BU Turn Signal Indicator Basic/Right 860 PK Paylaod Mon Right Rear Sensor
540 WH Turn Signal Indicator Left 861 PU Payload Mon Left Rear Sensor
A513 PK DC/DC Converter Memory Output 663 BU Payload Mon Transmit LCD Out
Lighting Circuits
864 BR Payload Mon Clock LCD Out
602 WH Dome Lamp 865 GY Payload Mon Latch LCD Out
604 OR Stop Lamp 866 PK Payload Mon Test/Set
605 YL Turn Lamp - Left 867 PU Payload Mon Mode
606 GY Turn Lamp - Right 891 BU Neut Start Cont to Payload Mon System
610 OR Head Lamp Basic 892 BR
VMIS Start Mod Right (-) Port/CAT
DATA LINK (-)
611 PU Head Lamp Hi 893 GN
VMPS Start Mod Right (+) Port/CAT
DATA LINK (+)
612 GY Backup Lamp 956 BR Relay Logic Large Pump
614 PU Park/Tail/Dash Lamp 958 YL Relay Logic
619 GN Head Lamp Lo 987 WH Diverter Sol
635 BU Payload Mon Red Lamp 993 BR Analog Sensor Common (Pin 30) Engine ECM
636 GN Payload Mon Green Lamp 994 GY Oil Pressure (Filtered)
639 WH Left Hand Stop/Tail Lamp 995 BU Coolant Temperature
640 GN Right Hand Stop/Tail Lamp 996 GN Engine Speed/Timing Sensor Power
661 GN Tachometer Lamp - Smart EMS 997 OR
Analog Sensor Power (+ 5V) (Pin 36) Engine
ECM
662 YL Speedometer Lamp - Smart EMS 998 BR Digital Sensor Return (Pin 29) Engine ECM
663 GY Gauge Lamps - Smart EMS 999 WH
Primary Camshaft Speed/Timing (Pin 38) Engine
ECM
Control Circuits
E986 YL Continuous Oil Injector Solenoid
700 PK AETA Test Sw J992 YL Misc Switch #1
703 BU XMSN Up Sol K972 BR EPTC-ll Start Relay Return
704 GY XMSN Down Sol K984 GY Start Aid Timer Output
705 PK XMSN Lockup Clutch Sol Basic K985 BR Auto Retard On Sw
706 BR XMSN Retarder Sw K986 PK Auto Retard Off Sw
707 PU XMSN Bed Raise Sw K988 WH Auto Retard Air Cont Valve
709 OR Sensor Power Supply K989 BU Auto Retard Air Supply Valve
710 GN XMSN Speed Pickup Signal K991 OR Auto Retard Press Sw
711 BR XMSN Lever Code 1 K992 PU Auto Retard Manual Retard Sw
712 WH XMSN Lever Code 2
713 OR XMSN Lever Code 3
A
3
4
5
6
8
9
10
11
12
14
15
13
16
B
C
D
1
2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
37
35
33
34
36
38
7
39
40
41
42
43
44
45
A
3
4
5
6
8
9
10
11
12
14
15
13
16
B
C
D
D
1
2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
37
35
33
34
36
38
7
D
39
40
41
42
43
44
45
Machine Harness Connector and Component Locations
Rear Compartment Right Side Wall
of Rear Compartment
D79733
A AA
1
2
325-PK-14
200-BK-14
T
This indicates that the component does not have a wire connected to ground. It is
grounded by being fastened to the machine.
This indicates that the component has a wire connected to it that is connected to ground.
105-9344
T
Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
The circle indicates that the component has screw terminals and a wire can be disconnected from it.
Pin
Socket
Fuse
Component
Part Number
Pin or Socket
Number
Receptacle
Plug
Wire Gauge
Wire, Cable, or Harness
Assembly Identification
Wire Color
Normally closed switch that will open with an increase of a specific condition.
No circle indicates that the wire cannot be disconnected from the component.
Single Wire
Connector
Circuit Number
Identification
Ground
Connection
Pressure
Symbol
Temperature
Symbol
Level
Symbol
Flow
Symbol
Circuit Breaker
Symbol
Reed Switch - A switch whose contacts are controlled by a magnet. A magnet closes the
contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.
Sender- A component that is used with a temperature or pressure gauge. The sender
measures the temperature or pressure. Its resistance changes to give an indication to
the gauge of the temperature or pressure.
Relay (Magnetic Switch) - A relay is an electrical component that is activated by electricity.
It has a coil that makes an electromagnet when current flows through it. The
electromagnet can open or close the switch part of the relay.
Solenoid - A solenoid is an electrical component that is activated by electricity. It has a
coil that makes an electromagnet when current flows through it. The electromagnet
can open or close a valve or move a piece of metal that can do work.
Harness And Wire Symbols
Electrical Schematic Symbols And Definitions
1
1
2
2
Typical representation of a Sure-Seal
connector. The plug and receptacle
contain both pins and sockets.
Typical representation of a Deutsch
connector. The plug contains all
sockets and the receptacle contains
all pins.
SENR8609-02
July 1997
769D Truck & 771D Quarry Truck
Electrical System
769D:
5TR1-UP
771D:
6JR1-UP
©
1997 Caterpillar
All Rights Reserved
Printed in U.S.A.
Service Brake Air Pressure (Tractn)
Service Brake Air Pressure (Trans)
¹
BU
OR
YY
PP
5
6
7
8
9
10
4
11
12
1
3
C
3
FF
FF
FF
FF
12
454-GN
767-WH
700-PK
129-PU
610-OR-14
102-BU-14
103-YL-14
614-PU
K986-PK
K985-BR
517-BU
516-GN
200-BK-18
GAGE
LAMPS (4)
7N-5876
290-BK
417-GY
TO RETARDER
LAMP
Q
Q
Q
Q
Q
Q
NOTE G: USED ON MACHINES WITHOUT A/C FAN PRESS SW
F975-OR
2
201-BK-18
201-BK-18
201-BK-18
201-BK-18
201-BK-18
201-BK-18
201-BK-18
1
C-501116-2655
HARNESS CODE 4
HARNESS CODE 3
HARNESS CODE 2
HARNESS CODE 0
E750-PU
E750-PU
E750-PU
L58
L58
L58
L58
L58
L58
L58
L58
L58 L58
893-GN
892-BR
893-GN
892-BR
215-BK
893-GN
892-BR10
9
8
7
892-BR
6
5
4
3
2
1
893-GN
32
31
33
35
28
27
26
129-PU
25
24
892-BR
23
22
893-GN
21
34
893-GN
892-BR
6
7
8
20
200-BK
200-BK
XMSN SPEED
DISTRIBUTOR
3T-5438
A
A
315-GN
OIL BURN
CONTROL
117-9364
SOL 2 OUT
SW 1 IN
SW 2 IN
SOL 1 OUT
GROUND
+BATT
BR
GY
YL
OR
BK
RD
F705-PK
200-BK
956-BR
E750-PU
113-OR
123-WH-18
C
G
D
123-WH-18
K985-BR-18
NOTE F
315-GN
123-WH-18
G
G
G
G
G
G
L50
L50
L50
L50
L50
L50
L50
614-PU-18
G
G
G
G
G
G
G
998-BR-18
411-PK
F720-GN-18
998-BR-18
F717-YL-18
410-WH
403-GN
200-BK-18
E750-PU
200-BK
614-PU-18
200-BK-18
200-BK-18
200-BK
481-PK
291-BK
200-BK-18
892-BR
893-GN
408-WH
200-BK-18
662-YL
200-BK
200-BK-18
200-BK-18
200-BK-18
START
AID SW
3E-7176
(CUSTOMER ATCH)
THROTTLE BACKUP SW
126-0236
(CUSTOMER ATCH)
663-YL
614-PU-18
614-PU-18
K985-BR-18
K985-BR-18
3
2
B
A
661-GN
614-PU-18
201-BK
614-PU-18
G
G
200-BK-18
614-PU-18
200-BK-18
A/C ON SW
125-9257
521-YL-14
518-OR518-OR-14
518-OR
NOTE F
998-BR-18
521-YL-14
518-OR-18
515-GY-14
F720-GN-18
124-GN-14
129-PU-18
518-OR
ZZ
ZZ
614-PU
200-BK
LEVER
POSITION
LAMP
110-2079
4
614-PU
2
1
2
6
251-BK
251-BK
EXHAUST DIVERTER SW
AUTO MUFFLER
6T-3991
(SHOWN IN AUTO MODE)
ARC
CODE
612-GY
604-OR
F709-BU
L43
L43
L43
L43
L43
L43
998-BR
F717-YL
F720-GN
200-BK
958-YL
958-YL
958-YL
10A
958-YL
604-OR-14
Q
Q
Q
STOPLAMP
RELAY
3E-5239
604-BR-14
958-YL
103-YL
103-YL-14
103-YL-14
103-YL-14
619-GN-14
NOTE F: NOT USED ON MACHINES WITH ARC
L74
W
L79
L79
L102
5
L102
L87
L84
L82
L42
L87
L87
L87
L87
L46
L82
L82
L82
L97L97
L97
L83
L84
L84
L89
L89
L89
L90
L90
L90
L91
L91
L91
L94
L94
L94
L94
L35
L42
L79
L79
L50
L60
L60
L60
L60
L93
L93
L93
L49
L49
L49
L49
L92L92
L92
L92
L92
L48
L48
L48
L25
L38
L38
L74
L81
L77
L77
L103
L103
L103
L78
L85
L85L85
L85
L64
L86
L86
L86
L86
L81
L81
L81
L45
L45
L78
L103
L101
L101
L101
L101
L101
L74
L75
L74
L75
L81
L64
L63
L67
L68
L69
L69
L86
L86
L72
L72
L72
L73
L73
L73
L71
L71
L71
L72
L73
L71
L63
L68
L69
L67
L67L67
L67
L100
L100
L100
L100
L100
L101
L101
L103
L103
L81
L100
L100
L28
L28
E986-YL
L34
L34
L59
L78
L78
L45
L76
L76 L76
L76
A-5
L75
L78
L78
L94
L54
L53
L54
L53
L54
L53
L51
L52
L51
L52
L51
L78
L78
L78
L77
L77
L77
L77
L77
L77
L93
L62
L62
L62
L62
L38
L38
L25
L48
L48
L41
L92
L49
L96
L96
L96
L40
L99
540-WH
614-PU-18
3
2
200-BK
B
J992-YL E750-PU
G
L15
L15
ANTENNA
9W-3072
L70
L74
L62
L61
998-BR
L34
L28
L34
L28
L45
L75
L45
L28
L34
E986-YL
L76
L59
L24
L24
L24
L60
L76
L37
L52
L52
L60
L39
L57
L61
L61
L59
L57
L57
L39
L61
L60
L59
L57
L52
L39
L37
L37
L37
L37
L37
L32
L32
L32
L32
L31
L53
L53
L46
L46
L92
L49
L49
L51
L53
L57
L53
L51
L57
L53
L51
L50
L49
L28
L34
L42
L39
L31
L29
L41
L41
L35
L35
L35
L33
L33
L31
L31
L30 L30
L29
L45
L45
L45
L79
L28
L35
L36
L34
L96
L38
L41
L40
L40
L39
L42
L44
L44
L42
L40
L39
L44
L42
L40
L39
L38
L38
L38
L37
L41
L79
L96
L33
L33
L34
L34
L35
L35
2
1
522-WH-14
D
C
202-BK231-BK
998-BR
2
5
3
B
6
3
12
ARC SUPPRESSOR
106-8704
J992-YL
J992-YL
E750-PU
121-YL
215-BK
987-WH
987-WH
EXHAUST DIVERTER RESISTOR
124-6704
1
RD
RD
12
12
11
11
10
2
619-GN-14
610-OR-14
610-OR-14
619-GN-14
102-BU-14
E735-PU
E735-PU-18
HEADLAMP
RELAY
3E-5239
200-BK
E735-PU
E735-PU
6
8
7
E750-PU
200-BK
4
5
998-BR
997-OR
2G-4177 00 A-6/A-7
F731-OR
F730-GY
85
86
30
87
87a
Q
Q
A
A
A
Q
Q
87a
87
30
86
A
A
A
87a
87
30
86 85
4
200-BK
3
E986-YL
8586
30
87
87a
2
1
956-BR
E986-YL
F708-YL
998-BR
123-WH
L36
L36
121-YL-18
A
J992-YL
614-PU
408-WH
E794-YL
E793-BU
E
E
E
E
E
200-BK
200-BK
200-BK
200-BK
BODY UP
SENSOR
3E-0461
E
E J
202-BK
E750-PU
126-PK
BK-18
RD-18
+ BATTERY
126-PK
E750-PU
202-BK 3
SOLENOID
4
10
9
8
7
WH
BK
OR
SIGNAL
VS
GROUND
L30
L29
L27
L27
F975-OR
2
OIL BURN
RESISTOR
124-6704
L27
L27
L55
L55
1
998-BR
998-BR
85
86
BK-18
799-WH
251-BK
799-WH
200-BK-14
L55
L28
L28
L28
F720-GN
998-BR
F717-YL
L24
L25
L18
L18
L18
L21
L21
L21
L23
L23
L23
L22
L22
L63
L63
L42
L42
L15
L15
L15
L15
L67
L68
L68
L16
L32
306-GN
307-OR
126-PK
614-PU
202-BK
201-BK
200-BK
123-WH
728-BU
129-PU
200-BK
200-BK
123-WH
201-BK
201-BK
307-OR
728-BU
GN
GN
C
2
1
30
87
87a
C
A
B
308-YL-18 C
200-BK
129-PU
202-BK
K972-BR
202-BK
202-BK
891-BU
306-GN
307-OR
306-GN
307-OR
891-BU
202-BK
202-BK
202-BK
321-BR
321-BR
K972-BR
K972-BR
450-YL
452-PU
E750-PU
720-PU
706-BR
K985-BR
K986-PK
L4
892-BR
893-GN
L4
L4
L70
893-GN
893-GN
893-GN
893-GN
893-GN
892-BR
892-BR
892-BR
892-BR
892-BR
893-GN
892-BR
892-BR
893-GN
893-GN
892-BR
892-BR
893-GN
893-GN
892-BR
L61
891-BU
707-PU
794-YL
E750-PU
E750-PU
E750-PU
728-BU
728-BU
727-GN
L22
L25
720-PU
E735-PU
891-BU
707-PU
L44
767-WH
700-PK
537-GN
537-GN
700-PK
767-WH
767-WH
700-PK
F708-YL
126-PK
126-PK
614-PU
614-PU
L44
L35
L35
614-PU
614-PU
614-PU
539-BU
462-YL
201-BK
411-PK
611-PU-14
610-OR-14
611-PU-14
619-GN-14
998-BR
619-GN-14
F717-YL
539-BU
540-WH
614-PU 614-PU
L70
L11
958-YL
522-WH-14
521-YL-14
L79
521-YL-14
522-WH-14
517-BU
516-GN
L92
L49
462-YL
515-GY-14
454-GN
454-GN
129-PU
411-PK
410-WH
411-PK
403-GN
308-YL
308-YL
308-YL
308-YL
113-OR
A700-OR
F702-GN
150-RD-14
150-RD-14
998-BR
F721-GY
F717-YL
F720-GN
E793-BU
E794-YL
F975-OR
F709-BU
308-YL
308-YL
893-GN
892-BR
308-YL
727-GN
307-OR
L36
481-PK
F705-PK
F710-BR
201-BK
201-BK
201-BK
201-BK
201-BK
L36
201-BK
201-BK
201-BK
A
200-BK
200-BK
200-BK
201-BK
1
L36
105-BR
L61
L46
L44
2
2
200-BK-14
200-BK
A
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
J992-YL
200-BK
200-BK
308-YL
2
1
200-BK-14
176-OR
176-OR
150-RD-14
150-RD-14
987-WH
A
141-PK-14
140-BU-14
A
2
1 140-BU-14
141-PK-14 1
2
A
612-GY-14
612-GY
612-GY
132-PK
135-BU
132-PK
121-YL
L42
136-GN
614-PU
136-GN
129-PU
L35
124-GN-14
L42
L38
L96
L79
L25
L48
L92
L36
L60
L41
L49
L99
L99
L99
L99
L54
L54
L54
L99
L54
L54
L99
L98
L98
L98 L98
727-GN
454-GN
521-YL-14
517-BU-18
516-GN-18
515-GY-18
124-GN-14
3
2
520-WH-18
6
5
521-YL-14
454-GN
452-PU
452-PU
450-YL
450-YL
521-YL-14
124-GN-14
TRANS
521-YL-14
123-WH
122-BU
A
113-OR
123-WH
RD
RD
101-RD-10
112-PU-12
K972-BR
987-WH
TO MANUAL
RETARD PRESS SW
K986-PK-18
K985-BR-18
AUTO RETARD
PRESSURE SW
111-9563
ARC
SUPPLY
VALVE
3E-8691
ARC
CONTROL
VALVE
3E-8691
F710-BR
F707-WH
K988-WH
K989-BU
K991-OR
K992-PU
202-BK
202-BK
202-BK
202-BK
202-BK
454-GN
F975-OR
F710-BR
F707-WH
317-YL
450-YL
2
F710-BR
BK-18
200-BK-18
200-BK-18
1
2
1
2
317-YL
UUU
UUU
UUU
UUU
UUU
UUU
202-BK
202-BK
UUU
UUU
ATCHD-1302117-2929
102-BU
102-BU-14
775-BR
1
PANEL
LAMP
110-2079
BK-18
102-BU-14
138-GN
998-BR
A
X
NOTE H: USED ON MACHINES WITHOUT GROUND LEVEL
SHUTDOWN SWITCH
998-BR
00
A
109-OR-4
UUU
109-OR-6
A
A
Q
X
202-BK
10
9
8
7
6
5
4
3
2
1
176-OR
892-BR
893-GN
K992-PU
K991-OR
454-GN
450-YL
K989-BU
K988-WH
K986-PK
K985-BR
1
GROUND
MANUAL RETARD PRESS SW
AUTO RETARD PRESS SW
AUTO RETARD LAMP
ENGINE SPEED
AIR SUPPLY VALVE
AIR CONTROL VALVE
HARNESS CODE 3
HARNESS CODE 1
HARNESS CODE 2
HARNESS CODE 0
AUTO RETARD OFF
AUTO RETARD ON
774-YL
129-PU
612-GY
UUU
472-OR
NOTE C
F975-OR
202-BK
202-BK
202-BK
NNN
L25
105-BR
799-WH
799-WH
636-GN
635-BU
636-GN
635-BU
173-YL
799-WH
315-GN
251-BK
202-BK
VVV
619-GN-14
539-BU
540-WH
L25
L24
M
307-OR
OPERATOR SW
308-YL
6
200-BK
BK-00
129-PU-18
1
3
2
5
NOTE C
NOTE B
RR
A-1001118-0291TTT
B-2/C-203107-4891RRR
202-BK
202-BK
202-BK
202-BK
5
3
2
1
4
4
Y
202-BK
202-BK
202-BK
202-BK
202-BK
227-BK
219-BK
218-BK
217-BK
280-BK
4
5
1
2
3
6
C
JJJ
RRR
RRR
RRR
RRR
RRR
RRR
RRRRRR
RRR
RRR
RRRRRR
JJJ
JJJC
BK-00
RD-00
LL
AAA
AAA
YY
KK
BB
MM
PRELUBE
MOTOR
2G-6158
NN
NN
BK-00 RD-00
BK
BK
C
C
BR
NOTE G
C
L110
L110
1
Q
Q
Q
Q
Q
Q
Q
173-YL
315-GN315-GN
315-GN
251-BK
2
+ BATTERY
F714-PK
993-BR
FAN
SPEED
SENSOR
119-4166
A/C FAN
PRESSURE SW
111-9560
FAN CLUTCH
SOL
109-3025
2
4
A
121-YL
1
L102
997-OR
NOTE J: HARNESS AS. FOR THE GROUND LEVEL
SHUTDOWN SW IS A DEALER INSTALLED
CUSTOMER ATCH
201-BK
C
B
A
F700-BU
E799-BR 2
C
1
998-BR
F722-OR
2
F710-BR
F709-BU
F708-YL
F725-WH
F706-PU
F707-WH
F720-GN
F721-GY
150-RD-14
150-RD-14
892-BR
893-GN
F705-PK
E794-YL
E793-BU
F711-GN
F712-GY
A234-BK
F719-BR
F717-YL
F718-BU
113-OR
F715-PU
F716-WH
F723-PK
F724-PU
DATA LINK -
408-WH
710-GN
F705-PK
F722-OR
A700-OR
998-BR
997-OR
993-BR
F702-GN
F737-YL
2
998-BR
997-OR
993-BR
K984-GY-14
DATA LINK +
A
F702-GN
317-YL
START AID
RESISTOR
124-6704
F737-YL
710-GN
126-PK
3
ATCHA-601130-6786
ATCH
ATCH
ATCH
LL
A-6
3
F713-OR
F700-BU
E799-BR
F713-OR
F714-PK
F704-OR
F701-BR
F703-GY
BB
87a
87
30
86
RD-00
00130-6614
C-303121-0596
YYY
XXX
NOTE C
200-BK
H
DD
85
H
KK
HH
GG
GROUND
LEVEL
SHUTDOWN SW
4D-1836
(CUSTOMER ATCH)
L109
L109
L109
L108
AA
L108L108
L106
L106
L106
L106
L105
L105
L105
L105
L104
L104
L104
L104
L104
L11
L11
L65
L65
L65
L65
L65
L107
L107
B
L11
998-BR
9
2W-8662
UNUSED
L17
T
T
T
T
ATCH J
NOTE HA-6
A-6XXXXX-XXXXFF
K
UNUSED
UNUSED
00
8
130-5998
NOTE GB-601
Q
Q
10
QQQ
A
A
128-8479
F716-WH
799-WH
251-BK
U
K
B
N
N
126-PK
200-BK-18
1
N
12
16
11
F715-PU
D
D
1
TTT
2
3
202-BK
707-PU
E750-PU
893-GN
F707-WH
317-YL
6
138-GN
998-BR
2
23
14
22
36
18
27
25
A
7
35
452-PU
481-PK
612-GY-14
5
K972-BR
321-BR
BACKUP
RELAY
3E-5239
1
998-BR
893-GN
892-BR
201-BK
105-BR
L70
J
H
G
L70
REF: 108-1029 BEACON
128-6985 BEACON
9U-7206 FLORESCENT
LAMP
F
E
403-GN
2
4
1
2
G
G
M
M
M
M
M
M
M
M
200-BK
200-BK
1
306-GN
L24
L24
L15
L47
D
200-BK
893-GN
892-BR
202-BK
200-BK
200-BK
200-BK
121-YL
121-YL
135-BU
135-BU
4
200-BK
410-WH
201-BK
12
39
F709-BU
450-YL
E794-YL
RH TURBO
INLET PRESS
SENSOR
103-6093
5
AUTO
LUBE
L11
D
C
A
30
H
200-BK
A
L47
C
C
L47
604-OR
L47
L29
L16
998-BR
F715-PU
F716-WH
799-WH
F703-GY
A700-OR
998-BR
2
019G-0549
00130-8078
NOTE B
B-13
F710-BR
227-BK
6
2
3
START RELAY
BU ALARM
NEUTRAL EMS
NEUTRAL PMC
START SW
SERVICE
CLEAR
DRIVE RET.
UNUSED
1
DATA -
DATA +
28
892-BR
893-GN
280-BK
UNUSED
YL-18
L
893-GN
892-BR
BR
OR-18
BK-18
ANALOG RET
WH-18
F705-PK
A
PK-18
1
PU-18
113-OR
450-YL
RD-18
113-OR
6
BR-18
A
GN-18
113-OR
BU-18
113-OR
113-OR
+V ANALOG
SIGNAL
113-OR
OR-18
2
A700-OR
F702-GN
YL-18
201-BK
113-OR
9
GN-18
113-OR
ECAP
D
105-BR
THROTTLE
POSITION
SENSOR
3E-7700
113-OR
F702-GN
998-BR
A700-OR
113-OR
5
F709-BU
337-WH
A513-PK
A513-PK
508-PU
509-WH
512-GN
511-BR
135-BU
RH SPEAKER
6T-7695
LH SPEAKER
6T-7695
L16
-
+
C
L32
B
337-WH
L75
3
L11
F709-BU
140-BU-14
E735-PU-18
315-GN
F707-WH998-BR
K984-GY-14
315-GN-12 317-YL-12
315-GN-12
START AID
ON RELAY
3E-5239
START AID
HOLD RELAY
3E-5239
6
-
WH-18
+
BK-18
RADIO
3E-7140/3E-7141
RD-18
SIGNAL
+V
4
176-OR
G
G
G
GROUND
G
6
G
5
K985-BR
6
5
1
2
3
200-BK-18
4
3
D-900EEE
1
D-401116-9309
7
E750-PU
L54
8
F720-GN
ANTENNA
OR
LEFT SPKR -
RIGHT SPKR -
13
10
8
UNUSED
GROUND
38
C
B
A
+B MEMORYYL
BK
GY/BK,VI/BK
GY/VI
RD
WH/BK,BN/BK
WH/GN
539-BU
RIGHT SPKR +
LEFT SPKR +
+ BATTERY (12V)
+BATTERY (24V)
24V-12V CONVERTER
119-1733
1
2
3
125-7128
PU
00118-7118
4
290-BK
A231-BK
36
37
5
611-PU-14
619-GN-14
202-BK
614-PU
K972-BR
540-WH
85
1
A218-BK
J
L32
18
202-BK
1
L42
85 86
30
87
ATCH C
A216-BK
F724-PU
101-RD-4
F723-PK
F725-WH
F707-WH
F706-PU
F703-GY
2
291-BK
A700-OR
17
A234-BK
F712-GY
19
2
BK-18
6
F711-GN
F714-PK
993-BR
A
A
720-PU
997-OR
202-BK
F737-YL
2
14
21
2
F716-WH
F715-PU
F719-BR
F721-GY
F720-GN
E793-BU
E794-YL
F718-BU
F717-YL
L69
113-OR
F709-BU
F710-BR
F705-PK
3
2
1
F704-OR
F702-GN
893-GN
892-BR
150-RD-14
150-RD-14
F701-BR
F708-YL
998-BR
4
F713-OR
35
6
34
33
L26
1
L26
C-12
L26
24
37
25
8
539-BU
7
1
1
3
5
10
B-13
00
00
00
D
01
D-15
02
00
02
C-11007G-1060
00118-8580
BULB
7N-9943
24
3
4
3
LEFT LAMP
RIGHT LAMP
614-PU
604-OR
640-GN
D-10
126-8863
YL
A-13
B-13
D-15
A-69F-4337
116-9310
130-6787
126-8862
5T-2832
00
5V-0439
129-0133
5T-2831
126-8856
RR
RR
00126-8860
01126-8865
05116-2654
03
BBB
04
02
07
02
01
04116-9305
05116-9308
CHG
23
22
9S-9016
HC
W
W
Q
40
12
25
21
173-YL
TURN LAMP
BREAKER
6N-8589
39
2
998-BR
101-RD-10
J
H
31
H
9
H
H
J
21
20
A
J
TO
FRAME
33
NNN
N
16
N
A
A
D
A
A
A
3
18
17
15
610-OR-14
200-BK
1
3
19
37
L45
28
27
36
35
34
20
32
Q
A
16
12
F975-OR
10
9
7
6
31
A/C REFRIGERANT
PRESS SW
114-5333
00126-8864VVV
VVV
202-BK
202-BK
K986-PK
137-OR-12
23
1
6
30
5
24
4
8
9
38
29
11
22
F975-OR
14
13
7
10
17
18
15
26
G
G
G
G
N
G
LAMPS (7)
107-1983
201-BK-18
200-BK-18
200-BK-18
E735-PU
PRELUBE
RELAY
3E-5239
A
614-PU-18
200-BK-18
200-BK-18
462-YL-18
612-GY-18
539-BU-18
201-BK-18
411-PK-18
540-WH-18
L54
611-PU
E750-PU-18
E750-PU-18
L54
124-GN-14
N
200-BK-18
F717-YL-18
A
16
201-BK-18
123-WH-18
123-WH-18
201-BK-18
201-BK-18
G
G
4
3
32
31
30
27
1
24
26
25
40
33
3
4
17
39
38
37
36
5
12
35
23
22
20
11
10
2
19
21
8
6
9
15
18
28
34
14
E793-BU
13
15
7
29
113-OR
122-BU
515-GY-14
123-WH
200-BK-14
132-PK
516-GN-14
176-OR
517-BU-14
138-GN
315-GN
129-PU
MOTOR
121-YL
126-PK
5
408-WH
998-BR
BU-18
1
1
2
MUR440
2
G
G
G
WH/RD-14
BK-14
200-BK-14
515-GY-14
200-BK-14
G
518-OR-18
517-BU-18
516-GN-18
515-GY-18
520-WH-18
124-GN-14
2
4
3
B
BLOWER SW
123-6389
517-BU
516-GN
515-GY-14
124-GN-14
521-YL-14
THERMOSTAT
3E-5464
BODY UP
1
E750-PU-18
1
BLOWER
112-9565
522-WH-14
2
3
E799-BR
F700-BU
F722-OR
308-YL
136-GN
105-BR
140-BU-14
101-RD-4
141-PK-14
103-YL-14
291-BK
4
290-BK
173-YL
201-BK
102-BU-14
202-BK
150-RD-14
727-GN
150-RD-14
124-GN-14
200-BK
135-BU
SEMS CLEAR SW
6T-6066
SEMS SERVICE SW
6T-6066
201-BK
138-GN
5
101-RD-10
12
101-RD-10
A
W
101-RD-10
101-RD-10
W
103-YL-14
105-BR
136-GN
101-RD-10
101-RD-10
W
W
112-PU-12
101-RD-10
101-RD-10
101-RD-10
C
105-BR
105-BR
103-YL-14
BBB
4
4
10
6
1
5
24
Q
Q
L48
L24
L48
V
Q
11
Q
Q
A-6
A-700
A-7
125-7129
A-7
A-7
A-7
A-6
2G-4177
A-7
MM
NN
Q Q Q Q Q
BK
Q
Q
Q Q
Q
ADEM
BREAKER
6N-8589
109-OR-12
251-BK
308-YL 308-YL
2
B-8
C-14
A-15
VVV
36
B-1
9
4
3
D-5
01
8
13
A217-BK
01
04
337-WH
103-YL-14
16
135-BU
C-9
202-BK
202-BK
140-BU-14
135-BU
200-BK
200-BK
201-BK
201-BK
Q
511-BR
512-GN
509-WH
508-PU
200-BK
200-BK
20
15
14
28
103-YL-14
103-YL-14
27
291-BK
290-BK
2
18
17
37
8
39
150-RD-14
150-RD-14
38
32
31
30
29
26
22
21
13
12
10
7
6
F709-BU
998-BR
611-PU-14
611-PU-14
HEAD LAMP
DIMMER SW
2H-1855
539-BU
540-WH
614-PU
619-GN-14
611-PU-14
200-BK
200-BK
200-BK
200-BK
XMSN CONTROL
3E-5390
1
200-BK
200-BK
2
ARC CONTROL
3E-3663
3
200-BK
200-BK
G
540-WH
16
POWER BOSS
9G-8451
140-BU-14
112-PU-12
1
2
Q
Q
SPARE 141-PK-14
112-PU-12
Q
Q
Q
200-BK-18
4
23
200-BK-8
9
A215-BK
308-YL
7
19
7
452-PU
5
3
1
662-YL
661-GN
663-YL
892-BR
201-BK
4
6
F
315-GN-12
20
34
33
F
F
F
450-YL
DD
2
CC
A-5
2
AAA
113-OR
E797-WH-18
NNN
5
CABLE AS.
202-BK
10
24
126-8862
23
18
9
L
E750-PU
E798-PK-18
BB
4
AA
WIRE AS.
707-PU
513-OR-14
T
S
R
J
H
D
522-WH-14
L26
A
HARNESS AS.
LOCPART NO.IDENT
109-OR-4
ARC
CODE
521-YL-14
00
513-OR-14
Z
G
E
X
Q
P
C
SS
L
M
998-BR
614-PU
700-PK
173-YL
87a
NOTE B
3
129-PUCIGAR LIGHTER
2
W
28
6
21
3
5
6
4
3
1
32
31
13
17
1
2
200-BK
7
2
25
5
24
12
85
14
19
23
22
PYLD MNTR
202-BK
8
20
A
16
15
521-YL-14
522-WH-14
A
2
STEERING SW
3E-6429
BK-18
200-BK-8
728-BU
E
E
E
E
E
BU-18
450-YL
11
C
23
1
1
F975-OR
201-BK
426-BR
B-406
86
446-PU
472-OR
410-WH
411-PK
403-GN
30
B
L15
1
P
ATCH
RD
A
201-BK
123-WH-18
472-OR
87
200-BK-14
L15
6
BK-18
1
2
E
122-BU
728-BU
200-BK
AIR DRYER
2G-2159
201-BK
426-BR
200-BK-18
611-PU
87a
126-PK
123-WH-18
7
A
454-GN-18
121-YL-18
251-BK
32
867-PU
866-PK
865-GY
317-YL
864-BR
863-BU
998-BR
251-BK
892-BR
2
481-PK
E-5
200-BK-18
540-WH-18
B-4
200-BK-18
112-PU-12 10A
NNN
F708-YL
251-BK
202-BK
307-OR
22
13
26
13
14
15
15
14
11
6
767-WH-18
216-BK
700-PK-18
213-BK
ID CODE 1
ID CODE 2
102-BU
103-YL
614-PU-18
417-GY
19
18
12
16
17
1
3
2
10
E735-PU
1
5
4
NNN
AUX START
RECEPTACLE
11
20
122-BU
450-YL
40
2
452-PU
614-PU
9
8
F975-OR
201-BK
446-PU
6
7
WH-18
BK-18
OR-18
A
FUEL LEVEL SENDER
115-1782
201-BK
C
447-PK
B
2
1
BK-18
+V
PK-18
GROUND
B
SIGNAL
A
799-WH
F715-PU
F716-WH
C
T/C TEMP
SENSOR
118-7226
OR
201-BK
481-PK
F975-OR
998-BR
610-OR
610-OR
FLASHER
108-0358
U
767-WH-18
C
700-PK-18
B
4
14
15
13
22
20
24
21
23
A
201-BK-18
TRACTION AID TEST/
OPERATOR MODE SW
125-2063
+24 V BATTERY IN
+24 V SWITCHED IN
E735-PU-18
GROUND
+12 V MEMORY OUT
ARC
SUPPRESSOR
106-8704
WH-18
BK-18
C
450-YL
200-BK
ENGINE
SPEED
6V-2455
136-GN
A
BK-18
BK-18
H
DISCONNECT SW
7N-0718
H
306-GN
987-WH
126-PK
201-BK
202-BK
C
00117-2932
216-BK
772-BR
4
2
3
6
1
773-GY
SMOKE
BOX
SOLENOID
101-3430
892-BR
893-GN
799-WH
867-PU
866-PK
865-GY
PU-18
864-BR
1
2
3
4
5
6
7
GROUND
+ BATTERY
GN-18
BK-18
863-BU
138-GN
8
WH-18
BU-18
BR-18
GY-18
PK-18
MODE
TEST/SET
LCD LATCH
LCD CLOCK
TX LCD OUT
D
3
+12 V SWITCHED OUT
774-YL
BU
291-BK
290-BK
417-GY
481-PK
B
403-GN
411-PK
A
C
B
A
L14
L14
L14
L14
C
L16
L13
L13
L13
L15
L15
775-BR
1
410-WH
2
113-OR
34
4
B
L4
L69
L42
L42
A
L8L8
40
BRAKE AIR PRESS
37408-WH-18
662-YL
661-GN
799-WH
891-BU
707-PU
799-WH
635-BU
636-GN
GROUND
A
B
NOTE H
C
201-BK
SEMS
GROUND
C
B
A
103-YL-14
113-OR
201-BK
B
3
1
306-GN
A
24
121-YL
H
V
472-OR-18
417-GY-18
426-BR-18
481-PK-18
200-BK-14
892-BR-18
639-WH
3
4
2 TAIL IN
893-GN-18
447-PK-18
201-BK
RD
2
1
446-PU-18
403-GN-18
291-BK-18
6
290-BK-18
773-GY
411-PK-18
9
410-WH-18
201-BK-18
WH-18
BK-18
WH-18
BK-18
(L)
S-2
(R)
S-1
PROPORTIONAL
SOLENOID
3T-0062
767-WH
202-BK
202-BK
769-BU
770-GN
3
2
1
BK
WH
GROUND
SIGNAL
+V
C
B
A
GROUND
SIGNAL
+V
C
B
A
F
E
D
113-OR-18
12 11 10
1
C
B
A
12 11 10
2
3
4
5
290-BK
6
7
614-PU-18
9
614-PU-18
202-BK
202-BK
202-BK
770-GN
200-BK-18
200-BK-18
769-BU
200-BK-18
200-BK-18
12
200-BK
306-GN
C
12V BATTERY
9X-9731 STD
12V BATTERY
9X-9731 STD
SUPPLEMENTAL
STEERING
116-4531
AA
DD
BK-18
BK-00
BK-00
NEGPOS
B
A
STARTER
6V-0890
FUSE
3K-8782
10A
13
JJJ
HH
GG
02
B
BK-18
RD-00
C
STEERING
MOTOR
RELAY
3E-0154
START
RELAY
118-3534
BRAKE OIL
TEMP SENSOR
118-7226
14
RD-00
G
S
MTR BAT
MOTOR
MOTOR
NEGPOS
201-BK
ALTERNATOR
100-5047
ATCH
15A
201-BK
727-GN-18
F975-OR
472-OR
426-BR
447-PK
15
16
RUNNING
LAMP SW
3E-2210
720-PU
202-BK
19
8
CCC
446-PU
G
G
+24V (OUT)
PK-18
YL-18
BK-18
GROUND
5
3
2
794-YL
202-BK
202-BK
799-WH
G
1
GY-18
WH-18
SPEED
+ BATTERY
7
614-PU-18
614-PU-18
6
4
3
1
5
2
E735-PU-18
L21
G
G
G
200-BK-18
C
L98
OPERATOR STATION
G
767-WH
202-BK
202-BK
YL-18
OR-18
BK-18
WH-18
PK-18
PU-18
RD-18
BR-18
GN-18
L83
BU-18
UNUSED
UUU
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
410-WH
663-YL
727-GN-18
202-BK202-BK
9
10
11
B
A
200-BK-18
200-BK
614-PU-18
OPERATOR STATION
123-WH-18
200-BK-18
UNUSED
35
SHIFT
LEVER POS
SENSOR
126-7896
711-BR-18
712-WH-18
713-OR-18
714-YL-18
715-GN-18
716-BU-18
202-BK-18
3
4
5
8
9
1
2
10
7
6
LEVER 1
LEVER 2
LEVER 3
LEVER 4
LEVER 5
GND VERIFY
GROUND
30
123-WH
711-BR
712-WH
713-OR
714-YL
715-GN
716-BU
202-BK
29
28
27
UNUSED
UNUSED
GN
GN
GN
SUPPL
STER SW
127-4986
135-BU
PPP
P
G
G
G
P
19
PP
121-YL
P
454-GN
P
F702-GN
27
29
A700-OR
FUEL LEVEL SENDER
SERVICE
ACTION LAMP
P
P
P
ACTION ALARM
GROUND
03
+ BATTERY
611-PU
200-BK-18
663-YL-18
661-GN-18
105-BR-18
ATCH
A
662-YL-18
515-GY-14
614-PU
4
5
251-BK
201-BK-18
454-GN-18
454-GN-18
T
6
G
126-PK
G
G
G
308-YL-18
F-201116-9304F
CLEAR
ALTERNATOR
307-OR-18
BK OIL TEMP SENSOR
22
727-GN-18
123-WH-18
1
G
G
G
G
G
6
39
38
36
28
26
20
B
C
993-BR
JJJ
XXX
XXX
A
L110
998-BR
412-BU
COOLANT FLOW SW
3E-6428
412-BU
BK-18
F732-PK WH-18
+12V
GROUND
SIGNAL
BK-18
OR-18
G
G
462-YL-18
200-BK-18
B
200-BK
G
G
K986-PK-18
G
G
996-GN
E797-WH
E798-PK
23
G
G
G
G
G
A
B
103-YL-18
G
614-PU-18
PANEL
LAMP
110-2079
200-BK-18
200-BK-18
614-PU-18
614-PU-18
102-BU
G
102-BU-14
997-OR
MONITOR
ACTION
ALARM
3E-6328
635-BU
126-PK
G
614-PU-18
993-BR
308-YL-18
C-12
307-OR-18
18
E796-GN
996-GN
25
612-GY
17
454-GN-18
411-PK-18
998-BR
A751-YL
A746-PK
995-BU
999-WH
A747-GY
T
994-GY
F975-OR-18
E795-YL
E797-WH-18
E795-YL
201-BK-18
994-GY
A747-GY
999-WH
995-BU
540-WH-18
A746-PK
799-WH
E798-PK-18
997-OR
997-OR
539-BU-18
997-OR
10
A
997-OR
997-OR
997-OR
A751-YL
993-BR
993-BR
251-BK
200-BK
M
200-BK
103-YL-14
602-WH
DOME
LAMP
8C-9678
BK
8
9
993-BR
AUTO RETARDER
OFF/ON SW
125-2076
CAB GND
113-OR-18
410-WH-18
411-PK-18
290-BK-18
2
EEE
291-BK-18
403-GN-18
710-GN
998-BR
446-PU-18
447-PK-18
3
111-1651
706-BR
614-PU-18
W
997-OR
P
JJJ
7
6
HARNESS CODE 4
K985-BR-18
993-BR
291-BK
993-BR
893-GN-18
958-YL
892-BR-18
481-PK-18
426-BR-18
993-BR
LEVER 5
LEVER 4
LEVER 3
LEVER 2
LEVER 1
ID CODE 3
ID CODE 2
ID CODE 1
ID CODE 0
GND VERIFY
GND VERIFY
LKUP SOL
+ BATTERY
GROUND
UP SOL
DOWN SOL
RETARDER
BED RAISE
+V
BRAKE
GEAR 1
GEAR 2
GEAR 3
GEAR 4
GEAR 5
37
36
35
34
33
32
31
202-BK
8
27
30
26
25
24
23
22
21
11
20
19
18
17
16
15
14
13
12
9
29
7
6
5
4
3
2
1
L
417-GY-18
472-OR-18
103-YL-14
321-BR
202-BK
13
706-BR
126-PK
2
8
14
5
1
11
711-BR
712-WH
713-OR
714-YL
715-GN
716-BU
8
707-PU
202-BK
126-PK
218-BK
219-BK
703-BU
704-GY
705-PK
709-OR
721-BR
722-WH
723-OR
724-YL
725-GN
726-BU
227-BK
217-BK
215-BK
4
L50
L50
L50
L50
202-BK
4
5
794-YL
6
2
772-BR
767-WH
200-BK
BK-18
123-WH
993-BR
GN-18
A
R
12
YL-18
BACKUP
CAM S/T
SENSOR
127-1008
WH
YL-18
5
OPERATOR STATION
8
GN-18
PROP SOL
TEST
ID CODE 4
ID CODE 3
RIGHT SP
LEFT SP
+ BATTERY
GROUND
RIGHT SOL
LEFT SOL
XMSN SP
11
19
36
37
16
2
18
4
3
5
15
30
29
GN-18
17
1
9
10
SPEED IN
6
216-BK
V
4
3
1
700-PK
767-WH
FUEL
TEMP
SENSOR
102-2240
ENGINE OIL
TEMP SENSOR
106-0735
710-GN
ENGINE OIL
PRESS SENSOR
103-6092
TRACTION AID
CONTROL
128-0869
FFF
BK
A
213-BK
768-OR
202-BK
3
W/PAYLOAD
W/O
TRACTION
AID USE
WIRE AS. FFF
R
ATMOSPHERIC
PRESS SENSOR
103-6093
TURBO OUTLET
PRESS SENSOR
103-6091
202-BK
768-OR
132-PK 1
2
5
COOLANT
TEMP SENSOR
102-2240
PRIMARY
CAM S/T
SENSOR
127-1008
RAIL
PRESS SENSOR
6V-2485
202-BK
769-BU
770-GN
775-BR
774-YL
773-GY
202-BK
215-BK
OR-18
BK-18
SIGNAL
GROUND
+5V
GN-18
WH-18
WH-18
+5V
GROUND
SIGNAL
BK-18
OR-18
998-BR
+5V
GROUND
SIGNAL
YL-18
OR-18
996-GN
F732-PK
707-PU
251-BK
12
774-YL
773-GY
775-BR
+5V
769-BU
GROUND
RD
770-GN
4
SIGNAL
799-WH
612-GY-18
OR-18
E796-GN
OR-18
SIGNAL
411-PK-18
201-BK-18
539-BU-18
200-BK-18
612-GY-18
GROUND
200-BK-18
102-BU
+5V
GN-18
+5V
GROUND
SIGNAL
YL-18
OR-18
WH-18
+5V
GROUND
SIGNAL
BK-18
OR-18
OR-18
BK-18
SIGNAL
GROUND
+12V
WH-18
RAIL PRESSURE
CONTROL VALVE
107-0677
JJJ
867-PU
866-PK
865-GY
891-BU
864-BR
863-BU
860-PK
861-PU
858-GY
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
11
BED RAISE
TEST/SET
RX IN
TX KEY OUT
TX OUT
TX LCD OUT
R REAR PR
R FRONT PR
LINK GND
GREEN LAMP
RED LAMP
GROUND
+24V (IN)
L REAR PR
XMSN SPD
LCD CLOCK
LCD LATCH
L FRONT PR
NEUTRAL
MODE
JJJ
707-PU
250-BK
818-BR
820-BU
819-GY
JJJ
JJJ
B
JJJ
JJJ
JJJ
859-YL
794-YL
636-GN
635-BU
251-BK
799-WH
TRACTN AID
OR-18
4
+10V
13
767-WH
12
767-WH
BRAKE
767-WH
202-BK
E750-PU
GROUND
126-PK
3
14
17
18
19
772-BR
L
JJJ
768-OR
150-RD-14
126-PK
612-GY
604-OR
605-YL
606-GY
614-PU
BK-18
DOOR
COURTESY
LAMP SW
6T-6117
B
JJJ
202-BK
202-BK
GN-18
767-WH
770-GN
769-BU
150-RD-14
3
23
3
2
30
BK-18
17
RETARDER
BRAKE SW
103-4977
200-BK-18
202-BK
614-PU-18
200-BK-18
BK-18
202-BK
GN-18
SERVICE/RETARDER
BRAKE TEE
SERVICE
BRAKE SW
3E-2034
22
7
STOP
LAMP SW
2M-9346
1
SERVICE
BRAKE SW
3E-2034
11
33
24
537-GN
41
540-WH
539-BU
605-YL
606-GY
3
2
6
5
4
1
Q
450-YL
AAA
Q
33
34
35
40
31
BRAKE OVERSTROKE SW
TRANS FILTER SW
T/C TEMP SENSOR
CAT DATA LINK -
CAT DATA LINK +
BR
2
408-WH-18
1
SUPPL STER
CATERPILLAR MONITORING
SYSTEM
100-5778
MODULE LOAD
+8V SENSOR SUPPLY
MODULE CLOCK
MODULE +V
MODULE DATA
C414-BU-18
ATCH
E708-PK-18
GG
403-GN
200-BK-18
G
E707-GN-18
11
K972-BR
Q
103-YL-14
200-BK-18
200-BK-18
662-YL-18
Q
A
NNN
PAYLOAD
MONITOR
GREEN
LAMP
8T-9684
BULB
8T-9749
PAYLOAD
MONITOR
RED
LAMP
8T-9683
BULB
8T-9749
RD
RD
BK
BK
1
1
2
2636-GN
799-WH
799-WH
635-BU
NNN
A
113-OR
K972-BR
AS
3
2
6
5
LIGHT DIMMER
103-5526
200-BK-18
663-YL
C
A
ACCESSORY
OUTLET
117-2311
112-PU-12
135-BU
619-GN-14
122-BU
TACH LAMP
113-OR
123-WH
129-PU
122-BU
113-OR
126-PK
135-BU
138-GN
200-BK
123-WH
612-GY
307-OR
513-OR-14
521-YL-14
129-PU-18
D-1
E-10
C-4
D-13
B-12
B-11
E-3
200-BK
4
3
3
4
2
1
GY
PU
BR
RED
WHITE
ORANGE
YELLOW
PINK
ABBREV COLOR
BLACK
GRAY
PURPLE
BROWN
DESCRIPTIONSYMBOL
CONNECTOR
ELECTRICAL CONNECTION
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
BLADE, SPADE, RING,
OR SCREW TERMINAL
BK
PK
YL
OR
WH
RD
GN
BU
GREEN
BLUE
CIRCUIT CONNECTED
CIRCUIT NOT CONNECTED
ATCH WIRE, CABLE,
COMPONENT
L#
CIRCUIT GROUPING
DESIGNATION
TURN SW
9G-5589
1
2
4
3
00117-2930
START AID
SOLENOID
3E-6333
26
3
604-OR
4
YY
2
RIGHT
TURN
1
103-YL-14
OR
PU
WH
GY
537-GN
GY
WH
PU
11
OR
L107
GY
A707-PU
F728-BR
A705-BU
A708-BR
F729-GN
A706-GY
A704-GN
CYL HEAD
SOL 2
CYL HEAD
SOL 4
CYL HEAD
SOL 6
CYL HEAD
SOL 8
CYL HEAD
SOL 7
CYL HEAD
SOL 5
CYL HEAD
SOL 3
CYL HEAD
SOL 1
F727-BU
A702-PU
A703-BR
F726-YL
A701-GY
INJECTOR
SOLENOIDS
131-3098
A707-PU
F728-BR
F728-BR
A705-BU
A708-BR
A703-BR
F726-YL
F726-YL
A701-GY
F729-GN
F729-GN
A706-GY
201-BK
799-WH
707-PU
818-BR
819-GY
250-BK
820-BU
NNN
E
D
C
B
A
799-WH
819-GY
410-WH
820-BU
818-BR
250-BK
A704-GN
21
202-BK
L
A
A
GN-18
A
BK-18
REVERSE
SUPP
STEER
32
21
L64
L64
L17
F975-OR-18
BK-18
MONITOR
ACTION
F727-BU
F727-BU
200-BK-18
A702-PU
WH
PU
OR
OR
LIGHTS ON
XMSN SPEED
10
216-BK
213-BK
BK-18
RETARDER
462-YL-18
HIGH
BEAM LAMP
110-2079
LEFT
TURN
SPEEDO LAMP
GROUND
+ BATTERY
661-GN-18
200-BK-18
614-PU
661-GN
662-YL
113-OR
200-BK
HARNESS CODE
HARNESS CODE
663-YL-18
GAGE LAMPS
201-BK-18
201-BK-18
C413-YL-18
C413-YL-18
E707-GN-18
SPEEDO/TACH
125-6806
614-PU-18
BU
PU
710-GN
4
3
1
A
2
200-BK
2
10
251-BK
PU
WH
614-PU-18
200-BK-18
521-YL-14
M
BK
RD
201-BK
410-WH
L17
SS
138-GN
799-WH
GY-18
GN-18
WH-18
RD-18
PK-18
BK-18
PU-18
BU-18
YL-18
OR-18
BR-18
OPR PANEL
KEY SW
STER SW
GROUND
GROUND
+ BATTERY
ALTERNATOR
MAG SW
2
1
9
8
7
6
5
4
3
2
1
A
A
SUPPLEMENTAL
STEERING CONT
3E-5184
308-YL
728-BU
200-BK
403-GN
727-GN
417-GY
GY
PU
BR
RED
403-GN
WHITE
ORANGE
YELLOW
PINK
ABBREV COLOR
BLACK
GRAY
PURPLE
BROWN
DESCRIPTION
612-GY
SYMBOL
CONNECTOR
ELECTRICAL CONNECTION
TO MACHINE STRUCTURE
B-15
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
1
860-PK
861-PU
251-BK
858-GY
859-YL
799-WH
138-GN
707-PU
B-10
891-BU
BRAKE AIR
PRESS SENSOR
9X-5272
GAGE MODULE
100-4984
MODULE +V
1
GROUND
200-BK-18
MODULE CLOCK
7
635-BU
636-GN
BLADE, SPADE, RING,
OR SCREW TERMINAL
799-WH
251-BK
3
21
794-YL
MAIN POWER
RELAY (FRONT)
3E-5239
138-GN
105-BR-18
KEY
START SW
110-7887
WH-18
29
C413-YL-18
200-BK
706-BR
202-BK
799-WH
GY
SUPP
STER
BREAKER
9G-9487
JJJ
F705-PK
2
KEY BREAKER
9G-9487
2
85
86
ST
30
OIL BURN RELAY
15
87a
Q
Q
112-PU-12
F705-PK
BK-18
709-OR
GN-18
337-WH
OR-18
A
C
B
403-GN
201-BK
472-OR
201-BK
201-BK
1
MODULE DATA
B-9
BK
200-BK
308-YL
PK
YL
123-WH-18
OR
RD-00
WH
109-OR-12
E707-GN-18
RD
GN
112-PU-12
15A
10A
10A
15A
DOME & STOP
LAMP
BREAKER
6N-8589
ALT BREAKER
3E-7294
113-OR
123-WH
132-PK
138-GN
176-OR
315-GN
SEMS
GAGE
TCS
PAY MON
ARC
START AID
BACKUP ALARM
10A
10A
10A
112-PU-12
112-PU-12
112-PU-12
10A
10A
10A
112-PU-12
112-PU-12
112-PU-12
ID CODE 4
122-BU
ALT
R
105A
WH-18
E708-PK-18
BU
PU-18
AIR DRYER
121-YL
+
GREEN
799-WH
10A
MAIN POWER
RELAY (REAR)
3E-5239
BLUE
15A
AIR CONDITIONER
BREAKER
6N-8589
FUSES
3K-8782
FUSE HOLDERS
4K-5122
102-BU-14
124-GN-14
10A
635-BU
112-PU-12
636-GN
HEAD LAMP
BREAKER
3T-2662
10A
200-BK
CIRCUIT CONNECTED
CIRCUIT NOT CONNECTED
ATCH WIRE, CABLE,
COMPONENT
Q
20
21
16
5
4
22
11
L#
619-GN-14
1
9
8
6
7
15
14
539-BU
540-WH
121-YL
12
G
891-BU
CIRCUIT GROUPING
DESIGNATION
2
893-GN
200-BK
308-YL
109-OR-12
112-PU-12
109-OR-12
308-YL
200-BK
24
23
YL-18
13
10
135-BU
522-WH-14
109-OR-4
18
2
5
H
A
13
19
16
22
21
8
7
11
15
9
4
6
14
2
12
25
10
18
17
23
20
3
24
1
MAIN POWER
RELAY (MID)
3E-5239
3
727-GN
200-BK
462-YL
200-BK-8
101-RD-4
19
1
CIGAR
LIGHTER
9W-0335
521-YL-14
129-PU
PK-18 1
200-BK
614-PU
GN
SECONDARY
BRAKE SW
3E-2033
ZZ
ZZ
A
19
E750-PU
GN-18
614-PU
447-PK
606-GY
605-YL
604-OR
794-YL
C
GN-18
200-BK
A
PAYLOAD MONITOR
OPERATOR DISPLAY
9X-6847
24V
ACCESSORY
OUTLET
9R-7941
A
A
J
612-GY
RESISTOR
125-9740
15
10
24
2
7
5
13
12
8
6
11
20
22
4
3
21
9
16
1
462-YL
A
202-BK
122-BU
101-RD-4
A
604-OR
5
R
E750-PU
200-BK
200-BK
WH-18
GN-18
BK-18
251-BK
B
522-WH-14
317-YL
STOP IN
102-BU
+V
GROUND
202-BK
202-BK
C
RR
772-BR
767-WH
101-RD-10
Y
L
202-BK
709-OR
710-GN
721-BR
722-WH
723-OR
724-YL
725-GN
726-BU
705-PK
704-GY
703-BU
709-OR
710-GN
721-BR
722-WH
723-OR
724-YL
725-GN
726-BU
705-PK
704-GY
703-BU
280-BK
218-BK
217-BK
219-BK
202-BK
20
6
4
5
8
9
10
11
19
18
17
16
15
14
13
12
2
Y
CCC
304-WH-10
767-WH
LOCKUP
SOLENOID
7X-1120
DOWN SHIFT
SOLENOID
7X-1120
GROUND
SIGNAL
+V
C
B
A
TRANSMISSION SW
118-8471
721-BR-18
722-WH-18
723-OR-18
724-YL-18
725-GN-18
726-BU-18
231-BK-18
GROUND
GND VERIFY
GEAR 5
GEAR 4
GEAR 3
GEAR 2
GEAR 1
10
9
8
7
6
5
4
3
2
1
UP SHIFT
SOLENOID
7X-1120
2
2
2
1
1
1
Z Z Y
Y
Y
YY
XMSN
SPEED
SENDER
3E-6955
704-GY
202-BK
202-BK
703-BU
J
H
A
B
C
D
E
I
F
G 231-BK
709-OR
710-GN
705-PK
704-GY
703-BU
721-BR
722-WH
723-OR
724-YL
725-GN
726-BU
202-BK
X
J
4
1
2
3
WHEEL SPEED
SENSOR
3T-2469
WHEEL SPEED
SENSOR
3T-2469
X
X
SS
SS
RIGHT REAR
STRUT SENSOR
124-0328
LEFT REAR
STRUT SENSOR
124-0328
860-PK
861-PU
251-BK
799-WH
WH-18
BK-18
OR-18
SIGNAL
+V
GROUND
3
2
1
WH-18
BK-18
OR-18
SIGNAL
+V
GROUND
3
2
WH
GN
2
PU
STOP/TAIL
LAMP MODULE
7X-1670
E
202-BK
A
4 WAY
SOLENOID
9G-9988
767-WH
202-BK
769-BU
202-BK
767-WH
770-GN
5
3
775-BR
774-YL
773-GY
767-WH
1
799-WH
799-WH
BK-18
251-BK
251-BK
861-PU
860-PK
AIR
CONDITIONER
CLUTCH
SOLENOID
3E-1906
774-YL
775-BR
202-BK
202-BK
202-BK
773-GY
200-BK200-BK
200-BK
200-BK
200-BK
200-BK-14
200-BK
BRAKE MASTER
CYLINDER
OVERSTROKE SW
7V-5647
+BATT
BK-18
1
17
605-YL
614-PU
200-BK
612-GY
612-GY
604-OR
606-GY
132-PK
BACK-UP
ALARM
123-6449
BACK-UP
LAMP
9X-1439
STOP/
TAIL
LAMP
108-1289
STOP/
TAIL
LAMP
108-1289
LEFT
TURN
LAMP
108-2315
RIGHT
TURN
LAMP
108-2315
612-GY
640-GN
606-GY
639-WH
605-YL
J
768-OR
2
201-BK
F975-OR
446-PU
447-PK
D
BBB
L17
L75
L107
426-BR
XMSN
FILTER SW
9X-7781
201-BK
213-BK
L11
859-YL
858-GY
861-PU
860-PK
863-BU
864-BR
865-GY
NNN
JJJ
337-WH
200-BK
201-BK
WITH TCS AND
W/O PAYLOAD MONITOR
CONNECT WIRE AS. EEE
TO HARNESS A
ON
116-9303
01
SS
SS
RIGHT FRONT
STRUT SENSOR
124-0328
LEFT FRONT
STRUT SENSOR
124-0328
858-GY
859-YL
251-BK
251-BK
799-WH
799-WH
1
2
3
GROUND
+V
SIGNAL
OR-18
BK-18
WH-18
1
2
3
GROUND
+V
SIGNAL
OR-18
BK-18
WH-18
OFF
MODULE LOAD
OR-18
522-WH-14
B
513-0R-14
BK-18
116-9306
109-OR-4
PAYLOAD
MONITOR
GREEN
LAMP
8T-9684
BULB
8T-9749
PAYLOAD
MONITOR
RED
LAMP
8T-9683
BULB
8T-9749
635-BU
799-WH
799-WH
636-GN
2
2
1
1
BK
BK
RD
RD
SS
SS
200-BK-14
200-BK-14
116-9307
120-9288
128-0987
126-8858
200-BK-14
200-BK-14
611-PU-14
619-GN-14
200-BK-14
2
200-BK-14
200-BK-14
RD-00
200-BK
EE
2
200-BK-14
EE
BK-18
200-BK-14
PARK-TURN
LAMP
129-5688
WH-18
RD-18
PARK-TURN
LAMP
129-5688
WH-18
RD-18
T
200-BK-14
LOW BEAM
HEAD LAMP
9X-7169
LOW BEAM
HEAD LAMP
9X-7169
HI BEAM
HEAD LAMP
9X-7170
HI BEAM
HEAD LAMP
9X-7170
540-WH
614-PU
L8L8
L8
T
T
T
539-BU
614-PU
611-PU-14
619-GN-14
1
200-BK
337-WH
CC
MM
RD-00
H
MOTOR
LL
YYY
PRELUBE
RELAY
3E-0154
YYY
YYY
2
1
337-WH
1
2
126-8861
126-8857
FFF
02
01
BODY
RAISE SW
8C-5681
BK
251-BK
337-WH
PAYLOAD
MONITOR
CONTROL
9X-6846
T
472-OR
200-BK
454-GN
PU
866-PK
E708-PK-18
8X-8727
EE
YY
101-RD-4
BK-6
109-OR-4
462-YL
CC
F725-WH
F737-YL
412-BU
F732-PK
229-BK-14
229-BK-14
TIMING CAL CONNECTOR
(2 PIN DT PLUG)
A234-BK
F722-OR
E799-BR
F720-GN
F721-GY
JJJ
F719-BR
E796-GN
JJJ
A751-YL
E795-YL
E797-WH
F724-PU
F723-PK
F718-BU
F715-PU
F706-PU
F707-WH
F708-YL
F709-BU
F710-BR
F712-GY
F711-GN
892-BR
893-GN
E793-BU
E794-YL
ENGINE
GROUND
28
15
16
E798-PK
40
6
5
4
19
39
10
38
37
26
1
7
9
3
30
36
35
12
17
18
32
13
29
24
33
22
23
8
25
34
20
S
14
21
27
2
867-PU
996-GN
A700-OR
F700-BU
999-WH
F717-YL
150-RD-14
150-RD-14
113-OR
993-BR
997-OR
RD-18
998-BR
105-6122
BACKUP S/T SENSOR
-BATTERY
BK-00
RIDE CONTROL SW IN
BK-00
RIDE CONTROL SW IN
F714-PK
994-GY
A747-GY
A708-BR
A707-PU
A706-GY
A705-BU
200-BK
A704-GN
A703-BR
A702-PU
A701-GY
12
H
INJECTOR 12
INJECTOR 11
ZZ
Y
N
C414-BU-18
INJECTOR 10
TO ENG
BLOCK
INJECTOR 9
INJECTOR 8
H
INJECTOR 7
INJECTOR 6
INJECTOR 5
INJECTOR 4
INJECTOR 3
INJECTOR 2
L8
16INJECTOR 1
317-YL
15
UNUSED
31
18
UNUSED
C
A746-PK
6
36
37
22
38
UNUSED
UNUSED
MODULE LOAD
126-8859
MODULE DATA
MODULE CLOCK
GROUND
MODULE +V
C414-BU-18
OR-18
BK-18
GN-18
WH-18
HH
T
5
GN-14
GN-14
11
27
C
ATCH B
XMSN
CODE
2
28
32
02
24
21
17
34
39
35
BK-18
33
SPARE
6G-9462
INJECTOR COMMON 10&12
200-BK
GROUND
SPARE
VS
INJECTOR COMMON 9&11
CAT DATA LINK +
INJECTOR COMMON 6&8
10
INJECTOR COMMON 5&7
INJECTOR COMMON 2&4
3
9
7
CAT DATA LINK -
14
ATA DATA LINK + (DEV)
20
-BATTERY
THROTTLE
FUEL TEMP
26
40
ATA DATA LINK - (DEV)
29
INJECTOR COMMON 1&3
8
YL-18
UNUSED
1
30
25
R
RS232 DATA LINK Tx
200-BK
COOLANT TEMP
HYD FAN PUMP PRESS
UNUSED
OIL PRESSURE
UNUSED
ATMOSPHERIC PRESS
TURBO OUTLET PRESS
317-YL
SIGNAL
RAIL PRESS CTRL RTN
YL-18
RAIL PRESS CTRL VALVE
3.5A PWM DR & SOL RTN
T/C OUT SP
RIDE CONTROL SOL
DEMAND FAN ACTUATOR
UNUSED
COOLANT FLOW SW
1
4
23
THRT LOCK RH BRK (N/C)
RS232 DATA LINK Rx
J1939 SHIELD GROUND
SPARE/TDC PROBE +
SPARE/TDC PROBE -
0.3A HS SW OUT 2
NOT AVAILABLE
THROTTLE LOCK ON/OFF
THROTTLE LOCK RESUME
THROTTLE LOCK SET
CON. OIL BURN RELAY
MAIN RELAY ON
GND LVL SHUTDOWN (N/C)
GND LVL SHUTDOWN (N/O)
ANALOG SENSOR RTN
ANALOG SENSOR +5V
DIGITAL SENSOR RTN
DIGITAL SENSOR +8V
+BATTERY DIRECT
+BATTERY DIRECT
11
SPEED/TIMING +12V
31
THRT LOCK RH BRK (N/O)
SPEED/TIMING
RAIL PRESSURE
F729-GN
L8
F728-BR
F727-BU
F701-BR
F703-GY
13
19
F704-OR
ENGINE OIL TEMP
F702-GN
995-BU
F726-YL
UNUSED
UNUSED
F716-WH
JJJ
TO
FRAME
ENG SPEED
TO
FRAME
BODY UP SW
799-WH
636-GN
858-GY
521-YL-14
251-BK
859-YL
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
NOTE B: 769D ONLY
NOTE C: 771D ONLY
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAGE
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF
AND THE XMSN SHIFTER IN NEUTRAL.
THIS SCHEMATIC IS FOR THE 769D, 771D TRUCK
(113-0755 CHG00)
858-GY
NOTE
U
BK-6
727-GN
SIGNAL
JJJ
3
14
9 8 7
9 8 7
15A
6 5 4
6 5 4
3 2
1
F
E
D
3 2
1
C
B
A
ENGINE ECM
START AID SW
START AID RELAY
CONN3
CONN4
CONN1
CONN2
CONN5
CONN6
CONN9
CONN7 CONN10
CONN14
CONN11
CONN12
CONN13
CONN15
CONN18
CONN16
CONN17
CONN19
CONN21
CONN20
CONN8
CONN24
CONN23
CONN22
CONN27
CONN26
CONN28
CONN25
D67318
WIRES THAT HAVE BATTERY VOLTAGE
WHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE BATTERY VOLTAGE
WHEN THE KEY SWITCH IS ON.
STARTING CIRCUIT.
MONITOR CIRCUIT.
PANEL LAMP CIRCUIT.
AUTO RETARDER CONTROL.
HEATER AND AIR CONDITIONER CIRCUIT.
GROUND CIRCUIT.
TURN SIGNAL CIRCUIT.
PAYLOAD MONITOR CIRCUIT.
ENGINE CONTROL CIRCUIT.
START AID CIRCUIT.
TRANSMISSION CONTROL CIRCUIT.
ALL DASHED LINES ARE ATTACHMENTS.
TRACTION AID CONTROL.
