RENR1437
December 1997
143H & 163H
Electrical System
143H:
1AL1-407
163H:
5AK1-155
Motor Grader (NA Version)
©
1997 Caterpillar
All Rights Reserved
Printed in U.S.A.
Wire Description Chart
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Power Circuits Accessory Circuits (Continued)
101 RD Bat(+) 506 PU Washer - Front
102 RD HdLmp 507 WH Washer - Rear
103 RD Aux Ckt 508 PU Radio Speaker - Left
105 RD Key Start Sw 509 WH Radio Speaker - Left (Common)
107 RD Eng Shutdown 511 BR Radio Speaker - Right
108 RD Aux Ckt 512 GN Radio Speaker - Right (Common)
109 RD Alt Output (+) Term. 513 OR A/C Compressor/Refrigerant Pressure SW
112 PU Main Power Rly Output 515 GY Blower Motor (HI)
113 OR Opr Mon Panel B+ Switched 516 GN Blower Motor (Medium)
114 RD Warning Horn (Forward) 517 BU Blower Motor (Low)
115 RD Aux Ckt 521 YL A/C SW To Refrigerant SW
116 BR Aux Ckt 522 WH A/C Clutch To Thermostat SW
118 GY Aux Ckt 537 GN Turn Signal SW To Flasher
119 PK Aux Ckt 556 WH Differential Lock
122 BU Aux Ckt 570 BU Blade Cushion Sol
124 GN A/C 575 YL Wiper - Aux (Park)
126 PK Xmsn Ctrl 576 PK Wiper - Aux (Low)
130 RD Aux Ckt 577 PU Wiper - Aux (HI)
134 RD Aux Ckt 578 BU Washer - Aux
136 GN Secondary Star 584 YL Wiper SW Jumper
141 PK Aux Ckt 592 BU DC/DC Converter Power Output
144 RD Aux Ckt 593 GN Condenser Fan Relay To Motors
149 PU Aux Ckt 597 PU A/C Refrigerant Press SW
151 GN Aux Ckt A503 PK Front Defroster Fan (Low)
152 BU Aux Ckt A504 GN Rear Defroster Fan (Low)
158 BR Aux Ckt A506 OR Front Defroster Fan (HI)
160 PU Aux Ckt A507 YL Rear Defroster Fan (HI)
165 YL Aux Ckt A513 PK DC/DC Converter Memory Output
169 PK Aux Ckt Lighting Circuits
173 RD Aux Ckt 600 BR Dash Lamp Basic
176 OR AuxCkt 601 GY Dash Lamp Hi
Ground Circuits 603 PK Rotary Beacon
200 BK Main Chassis 604 OR Stop Lamp
201 BK Operator Monitor Return 605 YL Turn Lamp - Left
202 BK XMSN Ctrl 606 GY Turn Lamp - Right
203 BK Chassis Diagnostic 608 GN Flood Lamp- Rear
207 BK Starter Diagnostic 609 YL Flood Lamp - Side
277 BK XMSN Ctrl Ident Code 1 611 PU Head Lamp Hi
278 BK XMSN Ctrl Ident Code 2 614 PU Park/Tail/Dash/Lamp
Basic Machine Circuits 619 GN Head Lamp Lo
301 BU Starter No.1 Sol 629 PK Aux Head Lamp
302 OR Starter No. 1 Resistor to Diagnostic Control Circuits
304 WH Starter Relay No. 1 Output 710 GN XMSN Speed Pickup Signal
306 GN Starter Relay Coil 718 BU AWD Normal Mode
307 OR Key Start Switch 719 GY AWD Aggressive Mode
308 YL Main Power Relay Coil 727 GN Secondary Ster Motor Relay
310 PU Engine Test SW To Start Aid Sol 728 BU Secondary Ster Cont SW
311 WH Start Aid Sol To Temp SW 751 GN XMSN Shift Sol No. 1 Or 3
321 BR Bckp Alarm 752 YL XMSN Shift Sol No. 2
322 GY Warning Horn (Forward) 754 BU XMSN Shift Sol No. 3 Or 1
326 RD Key Start SW "C" Term 755 OR XMSN Shift Sol No. 4 Or 5
327 PK Shutdown Sol 758 GN AWD Clutch SW
334 BU Start Aid Sol #2 759 OR AWD Pump Press.
373 GN Start Aid Switch To Timer 760 PK AWD Freewheel Sol
Monitoring Circuits 795 YL Dual Hp Sol
403 GN Alternator (R) Term 796 BR AWD Pump Displacement Forward
404 YL Opr Mon Hyd Oil Temp 797 PU AWD Pump Displacement Reverse
405 GY Opr Mon Oil Press. (Low Setting) F769 BU AWD To Inch Pedal SW
406 PU Opr Mon Coolant Temp 823 GN AWD “Off Mode
408 WH Opr Mon System Air Press. 824 YL AWD Press. Sensor Sol
409 OR Opr Mon Neut 826 OR AWD Test SW
410 WH Opr Mon Action Alarm 878 OR Displacement Sol
411 PK Opr Mon Master 892 BR CAT Data Link (-)
413 BR Opr Mon Fuel Press. 893 GN CAT Data Link (+)
415 GN Opr Mon Test SW G865 BU +12 Volt Switch Power
417 GY Primary Star SW 900 PU XMSN Shift Sol No. 4
419 YL Opr Mon Parking Brake 901 WH XMSN Shift Sol No. 6
439 YL Lamp Indicator 902 BR XMSN Shift Sol No. 7
441 OR Eng Coolant Temp Gauge 903 GY XMSN Shift Sol No. 8
447 PK Fuel Level Gauge 909 BU AWD Service Mode SW
449 BU Trans Spd Sender) 911 YL AWD Mode SW Jumper
450 YL Tach Sender (+) 912 GY AWD Sol Return
462 YL Secondary Ster Motor Indicator 921 WH XMSN Sol No 1 Or 3 Return
467 WH System Fault (Xmsn) 977 YL CST Autoshift- Auto/Manual SW 1
482 WH AWD Hyd Oil Temp SW 989 YL AWD Charge Flow Dump Valve
485 YL Opr Mon Panel AWD Fault E937 PU MG MESH CNTL - Redundant Neutral
486 PK AWD On/Off Lamp E938 OR MG MESH CNTL - First Gear
488 WH Brake Air Switches E939 WH MG MESH CNTL - Second Gear
A429 YL Articulation Indicator E940 BU MG MESH CNTL - Third Gear
G460 GN Transmission Temperature SW E941 YL MG MESH CNTL - Fourth Gear
Accessory Circuits E942 GN MG MESH CNTL - Fifth Gear
500 BR Wiper - Front (Park) E943 BR MG MESH CNTL - Sixth Gear
501 GN Wiper - Front (Low) E944 GY MG MESH CNTL - Seventh Gear
502 OR Wiper - Front (HI) E945 PU MG MESH CNTL - Eighth Gear
503 BR Wiper - Rear (Park) E946 OR MG MESH CNTL - Forward Direct
504 YL Wiper - Rear (Low) E947 WH MG MESH CNTL - Reverse Direct
505 BU Wiper - Rear (HI) E948 BU MG MESH CNTL - Park
E949 YL MG MESH CNTL - Neutral
E975 PU MESH Lamp
Resistor, Sender and Solenoid Specifications
Part No. Component Resistance (Ohms)¹
3E-5383 Sender - Articulation Position
6.0 ± 3 MIN
92 ± 5 MAX
3E-6424 Solenoid - Dual Horsepower/Shutdown 4.2 ± 0.416.1 ± 1.6
3T-3123 Resistor - Dimmer Switch 25.0 ± .3
6T-2217 Resistor - Starter/Diagnostic Conn 150 ± 7.5
6T-5859
Solenoid - Freewheel
Motor Displacement
System Charge
33.7 ± 1.0
7N-8532 Sender - Coolant Temperature
560 - 716 @ 54°C (130°F)
72-82 @ 110°C(230°F)
7T-4003
Resistor - Defroster Blower Motor
Defroster Blower Motor
10.0 ± 0.5
7T-6517 Solenoids - Blade Cushion 20.1 ± 1.0
7T-9074
Solenoid - Forward Horn
Park Brake
55.2 ± 5.8
8T-8808 Solenoid - Centershift 34.3 ± 1.7
9G-1950
Resistor - A/C Blower Motor
Heater Blower Motor
Overall 2.0 ± .1; Tap 1.0 ± .05
9G-4365 Solenoid - Start Aid 6
101-1759 Solenoid - A/C Clutch 14.4 ± 0.6
104-6387 Sender - Transmission Speed 1000- 1200
134-2845 Sender - AWD Hydraulic Temperature
158 - 202 @ 54 °C (129.2 °F)
63 - 79 @ 82 °C (179.6 °F)
136-1678 Solenoid - Injector (Trans) 31 ±3
¹ At room temperature.
Off Machine Switch Specifications
Part No. Function Actuate Deactuate
Contact Position¹
2M-9346 Brake Air Pressure (Stop Lamp)
45 kPa MAX
(6.5 psi MAX)
5 kPa MIN
(0.5 psi MIN)
Normally Open
3E-2033 Brake Air Pressure Park Brake Air Pressure
640 kPa
(92.0 psi)
530 ± 40 kPa
(77.0 ± 6.0 psi)
Normally Open
3E-7811 Inching Pedal Pressure (AWD)
160 ± 20 kPa
(23.2 ± 2.9 psi)
120 kPa
(17.4 psi)
Normally Open
3T-0190 AWD - Hydraulic Oil Temperature (EMS)
87.78 ± 2.8°C
(190 ± 5°F)
79.44°C MIN
(1 75°F MIN)
Normally Closed
7N-9785 Engine Coolant Temp (EMS)
107.2 ± 2.8°C
(225 ± 5°F)
93.0°C MIN
(200°F MIN)
Normally Closed
8N-1693 Coolant Temperature (Start Aid)
37.8 ± 2.8°C
(100 ± 5°F)
26.7°C MIN
(80°F MIN)
Normally Closed
8T-8640 Primary Steering Pressure
1206 kPa MAX
(175 psi MAX)
700 ± 103 kPa
(100 ± 15 psi)
A-B, Normally Open
A-C, Normally Closed
9W-3187 Fuel Pressure (EMS)
93 ± 21 kPa
(13.5 ± 3.0 psi)
69 ± 21 kPa
(10.0 ± 3.0 psi)
Normally Closed
9X-0378 Engine Oil Pressure
62.0 kPa MAX
(9.0 psi MAX)
38.0 ± 20.0 kPa
(5.5 ± 3.0 psi)
Normally Open
111-7088 Inching Pedal Pressure (Transmission)
75 kPa
(10.9 psi)
50 kPa
(7.3 psi)
Normally Open
114-5334 A/C Refrigerant Pressure
275 to 1750 kPa ²
(40 to 255 psi)
-
-
Normally Open
² With increasing pressure the closed condition can be maintained up to 2800 kPa (405 psi), with decreasing pressure the closed condition can be maintained
down to 170 kPa (25psi).
¹ Contact position at the contacts of the harness connector.
Component Location
Component
Schematic
Location
Machine
Location
Component
Schematic
Location
Machine
Location
Alarm - Action B-8 C Sender - Fuel Level A-13 25
Alarm - Backup F-15 1 Senders - Trans. SPD (Speedometer) C-15 28
Alternator D-14 2 Sensor - AWD Control Lever D-7 B
Batteries - 12 Volt C-14 5,6 Sensor - AWD Pump Pressure D-2 44
Breaker - Alternator (60A) D-13 8 Sensor - Engine Speed B-14 26
Breaker - Converter (25A) F-11 13 Sensor - Ground Speed (Radar) F-7 30
Breaker - Headlamp (1 5A) D-10 B Sensor - Trans. Oil Temp. E-15 27
Breaker - Lightbar Low Beam (1 5A) D-10 B Solenoid - Air Conditioning Clutch A-13 22
Control - All Wheel Drive C-2 17 Solenoid - AWD Displacement (Forward) C-15 3
Control - Engine Shutdown E-13 9 Solenoid - AWD Displacement (Reverse) C-15 3
Control - Neutral Start A-8 10 Solenoid - Blade Cushion E-2 45
Control - Secondary Steering E-13 9 Solenoid - Centershift B-3 29
Control - Transmission A-7 11 Solenoid - Differential Unlock E-14 4
Converter - 24V to l2V F-10 12 Solenoid - Drive Pressure D-2 46
Converter - 24V to 1 2V F-12 13 Solenoid - Dual Horsepower/Shutdown A-13 22
Flasher E-9 B Solenoid - Forward Horn F-3 10
Fuses B-6 C Solenoid - Freewheel D-2 47
Fuses D-9 B Solenoid - Motor Displ E-2 47
Fuses E-10 B Solenoid - Park Brake B-11 10
Gauge - L/S System Air Press. E-5 A Solenoid - Start Aid A-13 25
Gauge - R/S System Air Press. E-5 A Solenoid - System Charge D-2 47
Gauge - Speedometer E-5 A Solenoids - Trans. Control D-15, E-15 27
Gauge - Tachometer E-5 A Suppressor - Arc (A/C Clutch) A-13 22
Gauge Cluster F-5 A Suppressor - Arc (Duff. Unlock) E-14 3
Ground - Cab D-5 17 Switch - A/C Refrigerant A-13 22
Ground-Engine C-13 22 Switch-Air Dryer F-14 31
Ground - Frame (Front) D-6 39 Switch - Autoshift A-9 C
Ground - Frame (Rear) C-13 8 Switch - AWD Hydraulic Temp (EMS) C-2 46
Ground - Frame To Cab (Front) D-6 17 Switch - AWD Mode B-8 C
Ground - Localized Stud F-12 D Switch - Beacon B-6 C
Ground - Strap C-12 23 Switch - Beacon B-10 C
Lamp - AIH Indicator D-5 A Switch - Blade Cushion B-8 C
Lamp - Centershift Pin E-5 A Switch - Blower (A/C) B-10 C
Lamp - Cold Temp. E-5 A Switch - Blower (Heater) A-10 C
Lamp - Master Action E-5 A Switch - Centershift Indicator B-3 29
Lamp - Panel Shift Lever B-8 C Switch - Centershift Pin B-9 C
Lamp - Trans E-5 A Switch - Coolant B-14 24
Lamp - Turn Indicator (Left) E-5 A Switch - Coolant Temp. B-14 24
Lamp - Turn Indicator (Right) E-4 A Switch - Defrost (Front) A-6 C
Meter - Service E-10 B Switch - Defrost (Rear) B-6 C
Monitor - Electronic Monitoring System
(EMS)
E-6 A Switch - Differential Unlock D-9 B
Motor- Blower A-12 15 Switch - Disconnect C-14 6
Motor - Blower (A/C) B-10 14 Switch - EMS Test (Start Aid) E-10, E-8 B
Motor - Blower (Defrost) E-4 15 Switch - Engine Oil C-13 32
Motor - Blower (Heater) A-10 E Switch - Flood Lamp D-8 B
Motor - Secondary Steering F-13 20 Switch - Fuel B-13 34
Motor - Starter C-13 19 Switch - Headlamp/Tail E-8 B
Motor - Washer (Front Lower) F-6 16 Switch - Headlight Dimmer D-9 B
Motor - Washer (Front Upper) F-6 16 Switch - Horn E-9 B
Motor - Washer (Rear) F-6 16 Switch - Inching Pedal (AWD) D-15 3
Motor - Wiper (Front Lower) C-4 17 Switch - Inching Pedal (Transmission) C-15 3
Motor - Wiper (Front Upper) D-4 17 Switch - Key Start B-9 C
Motor - Wiper (Rear) C-11 18 Switch - Light Bar Low Beam E-8 B
Motors - Condenser B-10 21 Switch - Panel Lamp Dimmer E-9 B
Relay - Condenser C-10 21 Switch - Parking Brake Press. B-11 34
Relay - Main D-14 8 Switch - Primary Steering F-10 35
Relay - Secondary Steering F-13 22 Switch - Secondary Steering Test B-8 C
Relay - Start D-13 8 Switch - Service Clear (Front Loc) B-2 44
Resistor - Blower Motor A-12 E Switch - Service Mode (Rear Loc) B-2 44
Resistor - Blower Switch (A/C) B-11 E Switch - Stop Lamp A-2 11
Resistor - Blower Switch (Heater) A-11 E Switch - Tail Lamp D-8 B
Resistor - Defrost Motor E-4 E Switch - Thermostat B-11 E
Resistor - Panel Lamp Dimmer E-9 B Switch - Turn Signal E-9 B
Resistor - Start and Charge Diag C-14 22 Switch - Wiper (Front Upper) B-4 C
Sender - Articulation C-12 23 Switch - Wiper (Rear) A-4 C
Sender - Awd Hydraulic Temp D-2 46 Switch - Wiper (Front Lower) A-4 C
Sender - Coolant Temp A-14 24 Switches - Brake Air A-2 11
Machine Locations are repeated for components located close together.
A = Operator’s compartment (Dash).
B = Operator’s compartment (Steering console).
C = Operator’s compartment (Right side console).
D = Operator’s compartment (Headliner).
E = Operator's compartment (Under seat).
Related Electrical Service Manuals
Title Form Number
All Wheel Drive Electronic Control SENR6983
Alternator: 100-5047
Consist No. 100-5045
Consist No. 100-5046
SENR4130
SENR2082
Electronic Monitoring System SENR2945
Starting Motor: 106-8555
Consist No. 6V-5023
Consist No. 6V-5207
Consist No. 6V-5226
SENR3536
SENR3581
SENR4975
Transmission Electronic Control SENR6982
Failure Mode Identifiers (FMI) List
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.
Flash
Codes
CID - FMI Description
11 N/A No diagnostics active
12 N/A No logged diagnostic codes
21 641 F05 Transmission Solenoid A open circuit
22 642 F05 Transmission Solenoid B open circuit
23 643 F05 Transmission Solenoid C open circuit
24 644 F05 Transmission Solenoid D open circuit
25 645 F05 Transmission Solenoid E open circuit
26 646 F05 Transmission Solenoid F open circuit
27 647 F05 Transmission Solenoid G open circuit
28 648 F05 Transmission Solenoid H open circuit
31 641 F06 Transmission Solenoid A short to ground
32 642 F06 Transmission Solenoid B short to ground
33 643 F06 Transmission Solenoid C short to ground
34 644 F06 Transmission Solenoid D short to ground
35 645 F06 Transmission Solenoid E short to ground
36 646 F06 Transmission Solenoid F short to ground
37 647 F06 Transmission Solenoid G short to ground
38 648 F06 Transmission Solenoid H short to ground
41 641 F03 Transmission Solenoid A short to battery
42 642 F03 Transmission Solenoid B short to battery
43 643 F03 Transmission Solenoid C short to battery
44 644 F03 Transmission Solenoid D short to battery
45 645 F03 Transmission Solenoid E short to battery
46 646 F03 Transmission Solenoid F short to battery
47 647 F03 Transmission Solenoid G short to battery
48 648 F03 Transmission Solenoid H short to battery
52 637 F06 Backup alarm short to ground
54 444 F05 Starter relay open circuit
55 444 F06 Starter relay short to ground
56 444 F03 Starter relay short to battery
58 688 F06 VHP solenoid short to ground
59 688 F03 VHP solenoid short to battery
61 668 F02 Shift lever input invalid
62 668 F03 Shift lever open/short to +battery
63 269 F00 Sensor supply voltage above normal
64 269 F01 Sensor supply voltage below normal
65 701 F02 Transmission output speed signal incorrect
68 168 F01 System voltage below normal
71 520 F02 Invalid transmission configuration code
72 268 F02 Check programmable parameters
73 764 F05 Transmission indicator lamp open circuit
74 764 F06 Transmission indicator lamp short to ground
75 764 F03 Transmission indicator lamp short to battery
77 762 F04
Transmission oil temperature switch short to
ground
Transmission Diagnostic Code Conversion
Connector Location
Connector Number
Schematic
Location
Machine
Location
CONN 1 C-15 3
CONN 2 C-15 3
CONN 3 C-15 27
CONN 4 D-15 27
CONN 5 F-14 36
CONN 6 F-14 7
CONN 7 Start and Charge Diag. E-14 48
CONN 8 A-14 8
CONN 9a A-14 30
CONN 9b A-14 30
CONN 10 A-14 44
CONN 11 B-13 37
CONN 12 B-13 37
CONN 13 B-13 37
CONN 14 D-13 37
CONN 15 D-13 37
CONN 16 D-13 37
CONN 17 E-13 37
CONN 18 F-12 37
CONN 19 F-12 39
CONN 20 E-12 39
CONN 21 E-12 38
CONN 22 E-12 38
CONN 23 E-12 37
CONN 24 D-12 39
CONN 25 D-12 39
CONN 26 D-12 39
CONN 27 B-12 10
CONN 28a A-10 C
CONN 28b B-11 C
CONN 28c A-11 C
CONN 29 F-11 41
CONN 30 D-10 B
CONN 31 D-10 B
CONN 32 D-10 39
CONN 33 D-10 39
CONN 34 D-10 39
CONN 35 C-10 21
CONN 36 C-10 33
CONN 37a B-10 C
CONN 37b A-9 C
CONN 38 B-9 39
CONN 39 B-9 38
CONN 40 E-9 B
CONN 41 E-9 39
CONN 42 D-8 39
CONN 43 D-8 39
CONN 44 B-8 38
CONN 45 A-8 E
CONN 46 B-7 38
CONN 47 B-7 38
CONN 48 Service Tool B-7 C
CONN 49 D-7 17
CONN 50 F-7 17
CONN 51a F-7 20
CONN 51b F-7 20
CONN 52 E-6 17
CONN 53 E-6 17
CONN 54 E-6 17
CONN 55 C-6 17
CONN 56 C-6 17
CONN 57 C-6 17
CONN 58 C-6 40
CONN 59 A-6 40
CONN 60 C-5 40
CONN 61 C-5 40
CONN 62 B-3 43
CONN 63 E-3 17
CONN 64 F-3 42
CONN 65 F-3 17
CONN 66 F-3 17
¹ The connectors shown in this chart are for harness to harness connectors.
Connectors that join a harness to a component are generally located at or near the
component. See the Component Location Chart.
Component Identifiers (CID¹) and
Module Identifier (MID²)
CID Component
084 Ground Speed Sensor (Radar)
168 Electrical System Voltage
190 Engine Speed Sensor
248 CAT Data Link
296 Transmission ECM
380 AWD Modulation Pressure Switch
390 Forward Pump Displacement Solenoid
391 Reverse Pump Displacement Solenoid
392 Charge Solenoid
393 Drive Solenoid
394 Motor Displacement Solenoid
395 Pump Pressure Solenoid
396 AWD Mode Lamp
397 Charge Pump Pressure
398 Pump Pressure Sensor
517 AWD Mode Switch
520 Transmission Configuration Code
600 Hydraulic Temperature Switch
All Wheel Drive ECM (MID No. 75)
¹ The CID is a diagnostic code that indicates which component is faulty.
² The MID is a diagnostic code that indicates which electronic control module
diagnosed the fault.
A
3
4
5
6
8
9
10
11
12
14
15
13
16
B
C
D
E
1
2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
37
35
34
36
38
7
39
40
41
42
43
44
45
46
47
A
3
4
5
6
8
9
10
11
12
14
15
13
16
B
C
D
E
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
46
47
33
Machine Harness Connector And Component Locations
E20377
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.
2
4
6
7
9
5
8
1
3
2
2
1
1
1
TRANS SPD SENDER
104-6387
2
1
2
1
2
1
2
1
6
5
4
3
8
2
7
1
6
9
5
4
3
2
10
1
L69
AWD PUMP
DISPLACEMENT
SOLENOID
(REVERSE)
115-1431
AWD PUMP
DISPLACEMENT
SOLENOID
(FORWARD)
115-1431
BK
WH
797-PU
912-GY
WH
200-BK
608-GN
608-GN
L
200-BK
NOTE F
608-GN
601-GY
J
J
J
J
J
A/C REFRIGERANT SW
114-5334
NOTE A
J
J
J
L
J
J
J
H
J
J
J
J
J
J
J
PK-18
BR-18
J
J
J
J
J
J
J
J
J
J
J J
J J
J
J
BK-18
BU-18
PU-18
OR-18
GN-18
J
STEER SW
ALTERNATOR
J
J
WH-18
YL-18
J
J
J
J
J
J
J
619-GN619-GN
200-BK
200-BK
614-PU
614-PU
614-PU
609-YL
601-GY
GROUND
601-GY
200-BK 200-BK
200-BK
200-BK
1
2
9
6
8
4
5
3
7
601-GY
601-GY
200-BK
601-GY
200-BK
165-YL
3
2
J
J
J
J
+ BATTERY
10
107-WH
J
J
122-BU-14
124-GN
113-OR
136-GN
126-PK
130-GN
134-YL
105-BR
RESISTOR
3T-3123
2
5
GN-18
GY-18
1
3
4
MOTOR RELAY
OPR PANEL
6
200-BK
STEERING
MOTOR
117-3915
601-GY
STEERING
RELAY
3E-0154
629-PK
301-BU
302-OR
614-PU
2
115-PK
103-YL
1
200-BK
3
601-GY
200-BK
601-GY
415-GN
308-YL
RESISTOR
6T-2217
STEERING
3E-5184
201-BK
462-YL
727-GN
200-BK
310-PU
600-BR
102-BU
116-BR
101-RD-4
601-GY
G
200-BK
RD-0
103-YL
6
4
3
1
5
2
RD-0
HEADLAMP/
TAIL SW
3E-9317
609-YL
2
1
SPARE
MOTOR
SHUTDOWN CNTRL
101-RD
115-PK
112-PU-8
102-BU
101-RD
102-BU
308-YL
322-GY
114-GN
605-YL
606-GY
614-PU
611-PU
619-GN
601-GY
201-BK
405-GY
605-YL
606-GY
BK
BK
200-BK
101-RD-10
601-GY
556-WH
413-BR
START AID
EMS TEST SW
9X-9628
322-GY
TURN SIGNAL
SW
9G-5589
2
1
FUEL
SW
9W-3187
PANEL LAMP
DIMMER SW
3E-9318
122-BU-14
124-GN
200-BK
406-PU
201-BK
113-OR
601-GY
136-GN
600-BR
200-BK
601-GY
601-GY
126-PK
5
16
17
3
7
2
9
1
12
8
6
4
13
10
11
15
18
19
20
14
614-PU
608-GN
165-YL
S
169-PK
116-BR
149-PU
T
103-YL
173-YL
2
109-OR-10
5
130-GN
1
796-BR
912-GY
134-YL
200-BK
T
608-GN
BK
BK
1
2
122-BU-14
200-BK
1
2
BK
BK
114-GN
AIR DRYER
8W-3087
T
605-YL
604-OR
614-PU
606-GY
321-BR
1
2
321-BR
200-BK
200-BK
606-GY
614-PU
604-OR
BACKUP
ALARM
3T-1815
105-BR
TAIL LAMPS
TURN SIGNALS
3
4
STOP LAMPS
200-BK
200-BK
HORN
6
AIR DRYER
NOTE K
306-GN
310-PU
311-WH
AIR CNDTR
203-BK
207-BK
302-OR
109-OR
101-RD
112-PU
308-YL
306-GN
304-WH
2
207-BK
203-BK
RD-00
BK-00
112-PU
112-PU-4
1
2
XSMN CNTRL
DIFF LOCK
1
BLADE CNTRL
REAR FLOODS
BLADE FLOODS
614-PU
301-BU
619-GN
6
3
101-RD-10
304-WH-10
200-BK
795-YL
LIGHTBAR
LOW BEAM
BREAKER
3T-2662
HEADLAMP
BREAKER
3T-2662
10A
101-RD
101-RD-4
15A
15A
200-BK-4
200-BK
FLASHER
108-0358
619-GN
537-GN
136-GN
308-YL
200-BK
200-BK
728-BU
403-GN
1 4
5
6
2
3
611-PU
903-GY
HEADLAMP DIMMER SW
103-5678
149-PU
601-GY
ALTERNATOR
BREAKER
9S-0174 STD
9S-4693 ATCH
FLOOD
LAMPS
9X-9632
200-BK
601-GY
902-BR
FUSE BLOCK
9G-0747
5
2
80A
4
5
15A
901-WH
921-WH
EMS TEST SW
106-2477
10A
10A
10A
10A
10A
10A
10A
10A
10A
10A
10A
HORN SW
8X-9440
10A
10A
10A
10A
10A
200-BK
200-BK
200-BK
BK-6
900-PU
755-OR
754-BU
752-YL
122-BU-14
200-BK
200-BK
921-WH
751-GN
2
2
1
403-GN
450-YL
202-BK
DIFFERENTIAL
UNLOCK SW
123-5862
BK
BK
BK
BK
DUAL HORSEPOWER/SHUTDOWN
SOLENOID
3E-6424
758-GN
202-BK 2
7
5
6
4
3
2
2
1
WH
BK
REAR
FRAME
ENGINE
OIL SW
9X-0378
T
311-WH
310-PU
1
2
COOLANT SW
8N-1693
BK-18
BK-18
START AID
SOLENOID
9G-4365
NOTE F
FUEL LEVEL
SENDER
120-9588
513-OR
597-PU
PK-18
BK-18
447-PK
200-BK
T
G
1
2
ENGINE SPEED
SENSOR
3E-7886
COOLANT TEMP
SWITCH
7N-9785
COOLANT TEMP
SENDER
7N-8532
1
2
1
3
2
AIR CONDITIONER
CLUTCH SOL
101-1759
522-WH
513-OR
STARTER
106-8555
109-OR-4
109-OR
200-BK
606-GY
614-PU
604-OR
604-OR
614-PU
606-GY
321-BR
200-BK
200-BK
727-GN
417-GY
1
2
304-WH-10
1
601-GY
522-WH
200-BK
521-YL
921-WH
903-GY
921-WH
902-BR
921-WH
901-WH
921-WH
900-PU
921-WH
755-OR
921-WH
754-BU
921-WH
752-YL
921-WH
751-GN
1
2
2
1
SOL 4
2
SOL 8
4
SOL 7
SOL 3
1
2
2
1
1
2
2
1
1
SOL 2
5
SOL 6
SOL 5
3
SOL 1
1
2
124-GN
2
1
X
1
136-1678
F769-BU
BLOWER
9X-9363
515-GY-14
200-BK-14
136-1678
136-1678
136-1678
136-1678
136-1678
136-1678
F
136-1678
441-OR
124-GN-14
521-YL-14
515-GY-14
516-GN-14
517-BU-14
604-OR
614-PU
200-BK
BLOWER SW
6P-3236
RD
WH
BK
REAR FLOOD
LAMP
9X-6775
RESISTOR
9G-1950
BASE
7G-9730
PANEL LAMP
8D-1429
WH/RD-14
BK-14
TURN LAMP
7X-6066
1
2
MOTOR
3
4
5
2
1
200-BK-14
601-GY-14
STOP/TAIL
LAMP
130-3452
RD
BK
200-BK-8
606-GY
200-BK
DISCONNECT SW
7N-0718
308-YL
308-YL
200-BK
RD-0
101-RD-4
ALTERNATOR
100-5047 50A STD
3E-7577 75A ATCH
MAIN
RELAY
101-7740
START
RELAY
3E-7279
60A
109-OR-4
304-WH
RD-00
112-PU-4
BK-00
ENGINE
200-BK-4
BK-00
BK-00
BK
BK
12V BATTERY
9X-9721
G S
MTR BAT
MOTOR
ALT
+
R
NEGPOS
NEG POS
1
3
2
605-YL
200-BK
RD
BK
STOP/TAIL
LAMP
130-3452
TURN LAMP
7X-6066
RD
WH
BK
604-OR
614-PU
200-BK
608-GN
200-BK
REAR FLOOD
LAMP
9X-6775
T
S
BK
1
2
3
1
2
3
4
5
3
2
1
4
2
1
3
2
1
7
8
6
1
7
6
439-YL
113-OR
3
JJ
JJ
107-WH
200-BK
327-PK
4
2
7
LIGHT BAR
LOW BEAM
9X-9631
A
5
6
3
2
5
4
1
6
5
4
2
3
3
2
7
8
6
306-GN
3
1
200-BK
200-BK
200-BK
200-BK
4
2
1
W
W
4
1
3
2
4
5
4
1
2
3
8
1
796-BR
797-PU
912-GY
10
9
912-GY
797-PU
796-BR
4
1
3
2
L71
3
L71
L71
9
10
L71
1
L71
9
912-GY
8
797-PU
9
8
7
6
5
INCHING PEDAL
PRESSURE SW
(AWD)
3E-7811
4
4
7
3
5
2
1
6
9
5
796-BR
8
1
2
2
2
BK
BK
F
2
1
1
1
6
5
5
4
2
3
1
4
2
7
202-BK
710-GN
6
7
8
6
5
4
3
2
200-BK
1
202-BK
F769-BU
F769-BU
202-BK
278-BK
278-BK
3
3
2
4
1
2
101-RD
WH-18
WH-18
WH-18
3
4
202-BK
3
2
4
1
CENTERSHIFT
INDICATOR SW
3E-9367
1
2
1
2
1
2
1
6
7
1
4
7
2
601-GY
601-GY
601-GY
1
1
9
3
6
5
G
L46
D
200-BK
912-GY
K
K
L
S
200-BK
200-BK
200-BK
S
S
S
B
B
B
B
B
L66
597-PU
522-WH
795-YL
795-YL
202-BK
597-PU
441-OR
413-BR
406-PU
101-RD-14
L35
L65
L16
L13
405-GY
200-BK
327-PK
10
1
417-GY
592-BU
450-YL
202-BK
L30
L35
L65
L12
L16
201-BK
L13
201-BK
B
B
INCHING PEDAL
PRESSURE SW
(TRANSMISSION)
111-7088
B
B
B
B
B
201-BK
9
311-WH
B
B
B
8
522-WH
5
SHIFT CONSOLE
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK
601-GY
601-GY
601-GY
601-GY
112-PU-10
6
101-RD-4
1
601-GY
165-YL
2
169-PK
3
619-GN
611-PU
606-GY
4
605-YL
605-YL
606-GY
611-PU
619-GN
8
200-BK-14
597-PU
321-BR
521-YL
604-OR
122-BU-14
601-GY
597-PU
522-WH
5
308-YL
202-BK
202-BK
326-PU
K
201-BK
795-YL
Y310-PU
306-GN
310-PU
105-BR
311-WH
467-WH
409-OR
467-WH
7
409-OR
311-WH
109-OR
24 TO 12 VOLT
CONVERTER
119-1733
112-PU
EE
EE
308-YL
306-GN
304-WH
EE
EE
101-RD
310-PU
308-YL
Y
122-BU-14
592-BU
113-OR
113-OR
310-PU
308-YL
306-GN
113-OR
439-YL
105-BR
A513-PK
102-BU
10A
603-PK
200-BK
200-BK
601-GY
200-BK
BEACON
128-6983
BULB
9X-7849
601-GY
200-BK
OPEN ROPS BEACON ATCH
101-RD
BEACON FUSE
Y
Y
311-WH
200-BK
105-BR
B
B
8
6
7
8
2
3
4
1
5
7
6
C
C
C
200-BK
727-GN
462-YL
326-PU
105-BR
522-WH
597-PU
795-YL
202-BK
327-PK
450-YL
406-PU
441-OR
201-BK
6
200-BK
447-PK
608-GN
403-GN
306-GN
310-PU
308-YL
Y
C
405-GY
112-PU-4
Y
200-BK
101-RD-4
C
C
105-BR
326-PU
326-PU
308-YL
306-GN
403-GN
200-BK
200-BK
200-BK
10
107-WH
200-BK
601-GY
326-PU
306-GN
327-PK
200-BK
107-WH
OFF
RESET
1
605-YL
606-GY
310-PU
608-GN
614-PU
605-YL
605-YL
101-RD-14
113-OR
ENG SOL
GROUND
419-YL
+ BATTERY
608-YL
7
405-GY
6
5
4
403-GN
413-BR
447-PK
3
2
1
OR-18
WH-18
419-YL
201-BK
YL-18
ENGINE SHUTDOWN
CONTROL
9G-9287
BU-18
BK-18
Z
2
5
3
4
1
7
C
RD-18
403-GN
200-BK
728-BU
136-GN
126-PK
308-YL
PARK BRAKE
PRESS SW
3E-2033
PARK BRAKE
SOLENOID
7T-9074
7
GN
GN
6
BK-18
200-BK
200-BK
5
601-GY
4
3
BK-18
2
5
4
3
L
L
L
L
L
L
L
L
L L
L
L
L
L
L
L
L
L
L
L
L
L
578-BU
L
L
L
601-GY
L
202-BK
L
L
144-GN
L
L
L
L
200-BK
577-PU
576-PK
575-YL
101-RD
CUSHION
BLADE SW
9X-9629
506-PU
505-BU
504-YL
119-PK
2
REAR
DEFROST SW
9X-9638
FRONT
DEFROST SW
9X-9638
152-BU
152-BU
152-BU
200-BK
119-PK
119-PK
H
L
B B
P
W
521-YL
PANEL LAMP
SHIFT LEVER
7N-5876
NOTE B:
592-BU
200-BK
A513-PK
102-BU
+12V MEMORY
+24V IN
200-BK
113-OR
+ BATTERY
GROUND
GROUND (RADIO)
+12V RADIO
608-GN
609-YL
C913-BU
202-BK
B899-OR
601-GY
W
P
B
202-BK
503-BR
B
L
W
H
P
B
507-WH
119-PK
823-GN
718-BU
719-GY
486-PK
165-YL
B899-OR
R
R
R
R
6
7
6
921-WH
119-PK
903-GY
4
592-BU
118-GY
201-BK
441-OR
2
1
406-PU
450-YL
450-YL
3
A513-PK
506-PU
578-BU
507-WH
575-YL
577-PU
576-PK
152-BU
101-RD
BEACON SW
9X-9639
L71
WH-18
5
4
3
2
902-BR
901-WH
900-PU
755-OR
1
754-BU
7
752-YL
751-GN
112-PU-10
601-GY
605-YL
606-GY
611-PU
619-GN
200-BK
2
6
308-YL
1
200-BK
326-PU
5
307-OR
601-GY
105-BR
169-PK
614-PU
3
5
570-BU
3
169-PK
2
200-BK
629-PK
415-GN
126-PK
307-OR
321-BR
DIA CODE 2
202-BK
201-BK
4
7
P
P
200-BK
NOTE M
200-BK
A418-BR
202-BK
DIA CODE 1
202-BK
202-BK
584-YL
2
118-GY
619-GN
W
619-GN
W
406-PU
606-GY
441-OR
201-BK
YL-18
RD-18
611-PU
BK-18
SIGNAL
GROUND
611-PU
447-PK
413-BR
619-GN
608-GN
310-PU
101-RD
200-BK
202-BK
405-GY
200-BK
611-PU
619-GN
605-YL
606-GY
410-WH
201-BK
+V
719-GY
718-BU
823-GN
796-BR
797-PU
912-GY
450-YL
485-YL
A429-YL
727-GN
STEERING SWITCH CONN'S
A, B
417-GY
462-YL
486-PK
611-PU
P
202-BK
200-BK
P
601-GY
F769-BU
9G-9813
165-YL
522-WH
308-YL
326-PU
307-OR
202-BK
B751-BU
AWD
MODE SW
9X-9630
105-BR
134-YL
584-YL
WITH 8C-9788 COND. GP.,
WITH 8C-9787 HEATER GP.,
485-YL
HEATER GP 8C-9787
AWD HYD
TEMP (EMS)
3T-0190
Q
417-GY
BK-0
GROUND
SPEED
SENSOR
(RADAR)
132-4578
W
1
2
L60
3
4
RD
BK
L51
GN
WH
L69
RD
BK
E975-PU
ST
ON
OFF
202-BK
B
200-BK
629-PK
306-GN
795-YL
S
449-BU
202-BK
L61
L48
L69
L69
202-BK
202-BK
K
1
C
R
L69
U
K
CENTERSHIFT
PIN SW
9X-9634
L62
605-YL
TEST SW
9X-9633
+BATTERY
619-GN
611-PU
L62
GROUND
118-GY
118-GY
321-BR
U
U
U
U
L62
SIGNAL
PROGRAM
U
U
U
200-BK
200-BK
200-BK
C913-BU
20 INCH PEDAL
200-BK
202-BK
U
U
U
202-BK
U
200-BK-14
601-GY-14
U
L68
U
U
U
126-PK
U
U
U
L68
L61
L61
U
U
L61
L60
L60
L60
1
L48 L48
L48
L46
2
L46
5
L51
4
200-BK
200-BK
200-BK
892-BR
L51
L51
202-BK
L50
L50
L63
L63
L63
L63
L50
L50
L51
L61
L62
L68
L68
L60
3
L47
Q
202-BK
L47L47
L47
L47
L47
L52
L49
L49
L49
L49
L48
L48
L48
L58
L58
L67
L67
L67
L57
L57
L56
L56
L56 L56
L55
L55
L55
L55
L60
L59
L59
L59
L59
L59
T
L59
L59
L59
L54 L54
L54
L54
L63
L25
L13
L13
L16
U
L16
202-BK
G460-GN
277-BK
L16
G
L44
K
U
L44
202-BK
977-YL
MOTOR
7
6
124-GN
601-GY
165-YL
1
2
893-GN
B751-BU
L61
601-GY
200-BK
RED NEUT
570-BU
601-GY
169-PK
K
J
WH/RD-14
BK-14
PANEL LAMP
8D-1429
L61
BASE
7G-9730
THERMOSTAT
SW
3E-5464
L61
202-BK
486-PK
14
13
12
11
10
9
8
7
911-YL
6
5
4
3
911-YL
2
1
15
16
17
18
19
20
21
22
L38
23
24
TRANSMISSION DIRECTION
AND SPEED SW.
8C-5337
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
FIRST
GROUND
EIGHTH
SECOND
200-BK
THIRD
FOURTH
FIFTH
200-BK
SIXTH
601-GY
SEVENTH
1
E943-BR
2
FORWARD
REVERSE
PARK
NEUTRAL
E937-PU
202-BK
E938-OR
608-GN
E939-WH
E940-BU
E941-YL
E942-GN
E944-GY
E945-PU
E946-OR
E947-WH
E948-BU
E949-YL
202-BK
200-BK
200-BK
462-YL
404-YL
614-PU
200-BK
A429-YL
9
892-BR
893-GN
ART
SENDER
3E-5383
L37
A
A429-YL
200-BK
202-BK
912-GY
165-YL
900-PU
7
439-YL
113-OR
200-BK
3
1
2
L45
410-WH
201-BK
2
522-WH
L45
597-PU
6
Y
795-YL
2
112-PU-8
112-PU-10
101-RD-4
306-GN
101-RD-4
A
1
101-RD
112-PU-4
6
4
3
1
2
3
5
200-BK
5
2
200-BK
601-GY
134-YL
200-BK
RESISTOR
9G-1950
601-GY
727-GN
202-BK
1
326-PU
310-PU
404-YL
F769-BU
4
202-BK
G865-BU
903-GY
3
8
902-BR
9
200-BK
A429-YL
H
728-BU
482-WH
755-OR
754-BU
136-GN
E975-PU
G
202-BK
T
921-WH
752-YL
PP
3
592-BU
901-WH
1
12V RADIO
135-5946
Y
751-GN
A507-YL
200-BK
RD
BK
403-GN
601-GY
415-GN
200-BK-10
176-OR-14
Y
176-OR-14
202-BK
TRANSMISSION CONTROL
134-6553 (MANUAL ONLY)
G
6
5
10
10
L65
609-YL
200-BK
310-PU
200-BK
629-PK
L65
601-GY
202-BK
977-YL
608-GN
200-BK
601-GY
BLOWER SW
6P-3236
200-BK
603-PK
108-BU
200-BK
L65
DOME LAMP
8C-9678
MATE WITH BEACON
HARNESS "W"
200-BK
504-YL
119-PK
503-BR
505-BU
603-PK
A504-GN
A507-YL
BLOWER
9X-0343
B751-BU
604-OR
556-WH
122-BU-14
605-YL
606-GY
614-PU
X
9G-7641
124-GN-14
521-YL-14
515-GY-14
516-GN-14
517-BU-14
321-BR
604-OR
504-YL
119-PK
503-BR
505-BU
200-BK
GND
PARK
B+
GN
GY
BR
OR
4
2
3
1
HI
L35
LO
MOTOR
7
T
BK
L45
A513-PK
592-BU
200-BK
508-PU
509-WH
511-BR
512-GN
113-OR
DEFROSTER
9X-9657
MOTOR
3
2
1
BK
RD
WH
2
L35
L35
CONDITIONER GP-B 8C9788
556-WH
L33
L33
GGGG
54
L33
3 1
200-BK-14
CONDENSER
RELAY
3E-5239
CONDENSER
MOTOR
7X-6279
2
L66
L67
L52
L52
L52
L60
L60
L59
L59
L59
L59
L59L59
L58
L58
L58
L57
L57
L54
L54
L55
L55
L56
L56
L51
L51 L51
L42
L44
L63
CONDENSER
MOTOR
7X-6279
597-PU
521-YL
158-BR-14
L25
L38
L7
L37
L37
L37
L37
L36
L36
L37
L36
L61
L61
L61
L41
L41
L41
L41
L41
L41
L41
L41
L20
L20
L45
L37
L12
L12
L66
L66
L32 L32
L32
L35
L30
L30
L30
L30
L28 L28
L24
L24
L34
L6
L6
L29
L29
L29
L40
L22
200-BK-14
593-GN-14
200-BK-14
L22
L22
L27
L27
L27
593-GN-14
L27
L65
L65
L65
L11
L11
597-PU-14
521-YL-14
L33
MOTOR
L33
L33
L33
L20
L44
MOTOR
L63
L25
L38
L7
L36
L7
L7
L25
L25
L34
L34
L35
L35
L35
L23
L36
L36
L36
L38
GG
WH/RD-14
WH/RD-14
HOLDER AS. 4K-5122
10A FUSE 3K-8782
BK-14
L38
L26
L26
L27
L27
L24
G865-BLOR-18
200-BK
BK-18
GROUND
V+
1
113-OR
SIGNAL
YL-18
A513-PK
200-BK
TRANSMISSION
OIL TEMP SW
136-2632
G460-GN
512-GN
511-BR
592-BU
PP
PP
601-GY
4
601-GY
2
1
PP
1
2
601-GY
G460-GN C
1
113-OR
A513-PK
A
B
2
G865-BL
202-BK
3E-9169 DIODE AS.
614-PU
L26
614-PU
614-PU
710-GN
614-PU
614-PU
G460-GN
614-PU
122-BU-14
L27
L24
L28
614-PU
450-YL
449-BU
L28
2
L39
1
L39
L40
L40
F769-BU
449-BU
126-PK
E948-BU
E949-YL
6
L40
200-BK
200-BK
L40
L40
L39
1
L40
2
200-BK
200-BK
3
200-BK
4
1
2
5
200-BK
6
STRAP
4 GA STD
1/0 ATCH
308-YL
NEUTRAL
START
CONTROL
117-9364
G
1
L64
202-BK
L64
REAR
FRAME
L43
L43
728-BU
200-BK
L43
3
2
1
L43
307-OR
E948-BU
5
E949-YL
LAMP
UNUSED
UNUSED
PRIMARY
STEER SW
8T-8640
GROUND
NEUTRAL
BK AIR PRESS
HYD TEMP
BRAKE ON
SOL 1 OUTPUT
AWD (NOTE G)
ALARM
+ BATTERY
PRIM STEER
UNUSED
UNUSED
FUEL PRESS
ALTERNATOR
TEST
ENG OIL PRESS
COOLANT TEMP
BK-14
SW 2 INPUT
BAT +
105-BR
202-BK
SW 1 INPUT
606-GY
SOL 2 OUTPUT
GROUND
306-GN
306-GN
201-BK
3
4
200-BK
8
J
L43
L42
L42
L44
L44
7
L3
S
201-BK 1
441-OR
450-YL
403-GN
419-YL
405-GY
406-PU
413-BR
447-PK
201-BK
201-BK
417-GY
606-GY
605-YL
B426-BU
200-BK
200-BK
RESISTOR
7T-4003
202-BK
308-YL
BU
RD
BK
BEACON
128-6983
BULB
9X-7849
515-GY-14
200-BK-14
200-BK
3
11
18
14
2
9
8
7
19
17
10
12
4
13
6
5
15
YL
RD
BK
WH
WH/BK
GY
GY/BK
3
467-WH
2
417-GY
8
410-WH
485-YL
419-YL
404-YL
408-WH
409-OR
9
601-GY
Y
200-BK
5
L3
L19
L6
L6
113-OR
J
113-OR
L16
L13
6
L11
977-YL
1
2
BLOWER
9X-9363
ANTENNA
9W-3072
CABLE AS.
9W-3073
L12
L32
4
B+ MEMORY
B+
GROUND
+ LH SPEAKER
- LH SPEAKER
+ RH SPEAKER
- RH SPEAKER
ANTENNA
200-BK
758-GN
606-GY
605-YL
16
20
3
202-BK
200-BK
200-BK
605-YL
202-BK
606-GY
REAR WIPER
9X-3392
200-BK
J
522-WH
513-OR
G
200-BK
4
200-BK
L32
200-BK
L32
200-BK
200-BK
126-PK
2
200-BK
605-YL
619-GN
611-PU
606-GY
200-BK
200-BK
200-BK
L64
L64
L64
L21
126-PK
L21
L21L21
L9
L9
L62
L8
L8
L8
L10
L22
L22
L63
L63
L22
L19
L19L62
L5
L5
L20
L20
L23
L23
L23
L21
L21
L21
L18
L18
L18
L18
L7
L7
L7 L7
L7
L62
4
L62 L62
L62
L6
L16
L16
L8
L8
L9
L9
L15
L14
L14
8
L14
L14
L13
L13
L11
L40
L11
L12
L10
L10
L10
L10
L10
L1
L1
L22
L15
L15
7
L15
L7
L7
L6
2
L6
L5
3
L5
L4
6
L4
L8
L3
L3
L4
L3
L3
L2
L2
1
6
L1L1
B
GG
3 1
CONDENSER GP-ROOFTOP 103-8519
5
200-BK
7
2
4
F
5
2
2
1
2
1
1
4
9
5
3
200-BK
A506-OR
A503-PK
4
6
8
7
L44
10
200-BK
200-BK
FRONT LOWER
WIPER SW
3T-6655
1
F769-BU
200-BK
200-BK
200-BK
200-BK
556-WH
417-GY
A
A
L22
M
758-GN
M
E975-PU
E975-PU
449-BU
200-BK
SOCKET AS.
9R-7941
M
A
A
5
200-BK
A
C
E975-PU
BK-18
450-YL
201-BK
200-BK
200-BK
M
200-BK
M
200-BK
M
200-BK
M
M
M
M
M
200-BK
M
200-BK
200-BK
M
200-BK
118-GY
152-BU
200-BK
200-BK
119-PK
141-PK
151-GN
108-BU
A503-PK
A506-OR
584-YL
2
K
3
151-GN
5
277-BK
G460-GN
200-BK
200-BK
411-PK
201-BK
200-BK
200-BK
200-BK
200-BK
M
200-BK
200-BK
9
TACHOMETER
110-8468
LAMP
8D-1429
NOTE B
GRD
SEND
IGN
GRD
SIG
IGN
M
-
522-WH-14
+
200-BK
200-BK
200-BK
1
J
200-BK
E949-YL
-
417-GY
+- +
REAR
WASHER
7T-8891FRONT UPPER
WASHER
7T-8891
507-WH
506-PU
578-BU
FRONT LOWER
WASHER
7T-8891
507-WH
200-BK
FRONT
FRAME
1
201-BK
584-YL
200-BK
200-BK
601-GY
3
200-BK-6
202-BK
4
A504-GN
6
A507-YL
200-BK
604-OR
130-GN
STARTING AND CHARGING
DIAGNOSTIC CONNECTOR
112-PU-10
113-OR
A513-PK
605-YL
606-GY
611-PU
619-GN
507-WH
578-BU
506-PU
152-BU
576-PK
577-PU
575-YL
101-RD
GND
605-YL
606-GY
611-PU
619-GN
PARK
B+
200-BK
141-PK
601-GY
101-RD
507-WH
578-BU
506-PU
118-GY
501-GN
500-BR
502-OR
200-BK
A507-YL
A504-GN
603-PK
119-PK
505-BU
503-BR
504-YL
108-BU
200-BK
200-BK
200-BK
J
2
2
3
FRONT UPPER
WIPER SW
3T-6655
144-GN
144-GN
E948-BU
511-BR
512-GN
A513-PK
592-BU
200-BK
511-BR
512-GN
509-WH
508-PU
101-RD
E947-WH
4
M
152-BU
RIGHT TURN
INDICATOR
LAMP
7N-5876
NOTE B
E946-OR
200-BK
326-PU
200-BK
200-BK
200-BK
4
CAB
GROUND
606-GY
605-YL
611-PU
619-GN
114-GN
322-GY
BLOWER
9X-0343
DEFROSTER
9X-9657
606-GY
200-BK
201-BK
201-BK
201-BK
508-PU
509-WH
LEFT SPEAKER
6T-7695
A506-OR
200-BK
201-BK
201-BK
201-BK
FRONT LOWER
WIPER
9X-3392
576-PK
152-BU
575-YL
577-PU
MOTOR
MOTOR
501-GN
118-GY
500-BR
502-OR
TMP SW/DC0
RESISTOR
7T-4003
RD
BK
108-BU
A503-PK
A506-OR
152-BU
576-PK
575-YL
577-PU
629-PK
609-YL
GN
GY
BR
OR
4
2
3
1
1
HI
515-GY-14
5
LO
MOTOR
202-BK
+BATTERY
40
39
38
37
36
35
34
33
T
BK
200-BK
3
GND
STEERING CONSOLE
PARK
B+
INSTRUMENT PANEL
GN
GY
BR
OR
4
2
3
CAB SWITCH AND FUSE PANEL
1
403-GN
HI
SIG
LO
MOTOR
12V BATTERY
9X-9721
J
T
BK
113-OR
FRONT
FRAME
32
31
30
MOTOR
29
28
UPPER WIPER/WASHER
LOWER WIPER/WASHER
REAR WIPER/WASHER
FRONT DEFROSTER
REAR DEFROSTER
DOME LAMP
BEACON
10A
10A
10A
10A
710-GN AND 202-BK
ARE TWISTED PAIR
NOTE N:
10A
10A
10A
5
3
1
2
710-GN AND
202-BK ARE
TWISTED PAIR
NOTE N
758-GN
REAR FRAME
FRONT FRAME
B
3
6
L
H
27
26
4
3
119-PK
200-BK
25
2
W
502-OR
L76
7
L
L
L
200-BK
601-GY
144-GN
603-PK
601-GY
200-BK
1
5
+
-
2
24V TO 12V CONVERTER
3E-8646
2
IGNITION
12V OUT
GROUND
+
-
MOTOR
24V IN
112-PU
112-PU
LOCALIZED
GROUND
STUD
112-PU
112-PU
592-BU
112-PU
101-RD
3
200-BK
L76
2
10
L76
BEACON SW
9X-9639
501-GN
L76
4
113-OR
FRONT UPPER
WIPER
9X-3392
24
L76
6
8
10
1
2
5
7
9
3
4
6
8
1
201-BK
200-BK
200-BK-14
200-BK
23
22
21
500-BR
18
17
16
101-RD
15
14
2
13
OPERATOR STATION
K
1
2
201-BK
12
200-BK
11
200-BK
10
8
M
5
413-BR
M
200-BK-6
4
TAIL
LAMP SW
3E9319
200-BR
614-PU
2
L40
449-BU
2
601-GY
3
1
103-YL
B751-BU
2
7
B
E945-PU
467-WH
E944-GY
J
J
L71
J
J
200-BK
C
J
A
BBAA
J
A506-OR
J
K
B
6
482-WH
113-OR
113-OR
5
J
K
A
404-YL
J
J
3
2
NN
FUSE BLOCK
9G-0747
CIRCUIT GROUPING
DESIGNATION
200-BK
H
1
200-BK
4
406-PU
609-YL
727-GN
609-YL
893-GN
5
405-GY
609-YL
165-YL
200-BK
165-YL
200-BK
200-BK
795-YL
165-YL
165-YL
165-YL
7
165-YL
21
B899-OR
202-BK
727-GN
165-YL
450-YL
E943-BR
321-BR
E942-GN
22
113-OR
200-BK
J
614-PU
4
14
18
28
G865-BU
727-GN
E941-YL
40
7
307-OR
E940-BU
126-PK
31
E939-WH
462-YL
202-BK
37
334-BU
2
373-GN
31
200-BK
308-YL
J
33
E938-OR
38
36
5
35
409-OR
L76
308-YL
200-BK
29
L76
200-BK
G
202-BK
308-YL
PARK
REVERSE
FORWARD
17
34
19
20
26
16
200-BK
107-WH
J
103-YL
NOTE F
B
200-BK
614-PU
15
10
G
556-WH
556-WH
4
556-WH
1
9
8
30
6
39
10
11
23
24
25
3
12
32
FORWARD
HORN
SOLENOID
7T-9074
823-GN
718-BU
719-GY
B899-OR
486-PK
202-BK
165-YL
EIGHTH
485-YL
SEVENTH
SIXTH
450-YL
797-PU
796-BR
912-GY
FIFTH
FOURTH
THIRD
403-GN
SECOND
FIRST
1
200-BK
2
1
614-PU
SPEEDOMETER
110-2338
LAMP
8D-1429
NOTE B
GN
113-OR
RED NEUTR
GN
878-OR
912-GY
AWD PUMP
PRESSURE
SENSOR
124-4672
912-GY
989-YL
GN
GN
CAT LINK +
2
(N) NEUT
BUFF TOS
1
A/M SWITCH
GROUND
NEUTRAL
SERVICE
TOOL
CONNECTOR
9W-1951
2
GRD
SEND
IGN
LAMP
8M-6176
FUEL
LEVEL
AWD
HYDRAULIC
TEMP
COOLANT
TEMP
MASTER
ACTION
LAMP
9W-2111
NOTE B
411-PK
201-BK
200-BK
439-YL
200-BK
605-YL
200-BK
614-PU
200-BK
614-PU
200-BK
113-OR
A429-YL
B426-BU
449-BU
113-OR
441-OR
614-PU
447-PK
200-BK
C'SHIFT PIN
INDICATOR
LAMP
7N-5876
NOTE B
LEFT TURN
INDICATOR
LAMP
7N-5876
NOTE B
R/S SYSTEM
AIR PRESS
1W-3306
LAMP
7N-5876
NOTE B
L/S SYSTEM
AIR PRESS
1W-3306
LAMP
7N-5876
NOTE B
403-GN
CLUSTER
135-1702
415-GN
SERVICE
METER
3E-9359
200-BK
WH
RD
OR
PU
GN
GY
PK
YL
BK
(12 V)
(24 V)
(12 V)
(24 V)
IGN
SEND
GRD
IGN
SEND
GRD
IGN
SEND
GRD
759-OR
MM
101-RD
MM
M
M
M
+
824-YL
ARTICULATION
556-WH
892-BR
A418-BR
200-BK
727-GN
462-YL
-
PR SENS SOL
WH-18
V
PUMP PRESS
EEEE
909-BU
B
A
J
TOS + INP
J
9
E937-PU
893-GN
826-OR
892-BR
449-BU
202-BK
TRANS
LAMP
7N-5876
NOTE B
200-BK
M
M
E975-PU
450-YL
7 403-GN
403-GN
E
909-BU
403-GN
L#
A
A
A
201-BK
A
A
R
A
200-BK
A
RA
AA
710-GN
A
UNUSED
B
B
327-PK
AA
AA
AA
R
878-OR
K
760-PK
K
K
P
P
P
Q
T
T
D
K
989-YL
K
K
CC
T
A
A
Q
P
A
A
R
R
R
R
R
R
K
Q
P
P
P
A
BRAKE AIR SW
3E-2033
PP
AAA
BBB
EEEE
K
K
K
A
A
A
SYSTEM
CHARGE SOL
6T-5859
K
K
A
CCA
A
R
ZZ
ZZ
L
L
K
DRIVE
PRESSURE
SOLENOID
8C-3564
K
A
K
K
LH
2
893-GN
892-BR
U
U
U
A
1
2
U
A
U
A
FREEWHEEL
SOLENOID
6T-5859
W
710-GN
759-OR
X
W
MM
AFFFF
A
A
K
K
A
C
202-BK
X
U
H
H
VV
165-YL
VV
A
AE
H
H
H
A
200-BK
912-GY
C
101-RD-4
WW
QQ
LL
UU
UU
105-BR
C
A
L
C
AC
Y
Y
Y Y
311-WH
824-YL
912-GY
760-PK
MOTOR
DISPL
SOLENOID
6T-5859
GN
GN
101-RD-14
1
2
GN
GN
WH-18
BK-18
OR-18
SIGNAL
+V
GROUND
DIFFERENTIAL
UNLOCK SOLENOID
7T-9073
GN
GN
1
ALL WHEEL
DRIVE CONTROL
135-9932
F769-BU
UNUSED
UNUSED
UNUSED
2
1
UNUSED
2
DISP SOL
UNUSED
2
Y
CAT LINK -
Y
200-BK
DIS SOL REV
MANUAL
165-YL
202-BK
486-PK
B899-OR
719-GY
718-BU
823-GN
893-GN
892-BR
796-BR
797-PU
912-GY
450-YL
485-YL
C913-BU
F769-BU
UNUSED
UNUSED
UNUSED
UNUSED
CAT LINK +
B
200-BK
CLEAR SW
826-OR
B
B
GROUND SPD
HYD TEMP SW IN
SOL RETURN
UNUSED
EMS HYD TEMP
UNUSED
Y
109-OR-4
AWD CLUTCH SW
CHG PRESS 13
B
HHDD
27
YHH
UNUSED
D
D
UNUSED
B
SS
SS
SERVICE SW
RR
QQ
RR
FREEWHL PIL
TT
TT
POWER LAMP
311-WH
OFF
109-OR-4
439-YL
A429-YL
Y
201-BK
BOTTOM
B
200-BK
200-BK
AUTO
DIS SOL FOR
CNTL LEVER (GND)
200-BK
TOP
ENG SPEED
G
200-BK
F
G
611-PU
605-YL
200-BK
200-BK
619-GN
F
C
B
619-GN
611-PU
606-GY
611-PU
606-GY
619-GN
200-BK
160-PU
200-BK
629-PK
A
200-BK
629-PK
C
Z
Z
XX
XX
YY
B
YY
WW
413-BR
Y
977-YL
A
19
V
F
N
N
N
N
N
N
E
892-BR & 893-GN
ARE TWISTED PAIR
NOTE N
HHDD
1
2
SERVICE CLEAR SW (FRONT LOC)
7N8001
N
N
D
727-GN
E
D
R
D
D
A
V
W
X
X
CENTERSHIFT
SOLENOID
8T-8808
QQ
RR
SS
TT
TT
UU
VV
VV
WW
XX
YY
ZZ
ZZ
AA
BB
CC
DD
EE
FF
GG
HH
JJ
1
2
B751-BU
200-BK
NOTECHG
ATCH WIRE, CABLE &
COMPONENT
CABLE AS.
GN
GN
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
LOC
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
WIRE AS.
HARNESS AS.
200-BK
G
NOTE K: USE 20A FUSE WHEN ATTACHMENT AIR CONDITIONER
(HEATS AND COOLS) IS PRESENT
1
2
556-WH
AWD
HYDRAULIC
TEMP SENDER
134-2845
R
T
AID ATTACHMENT.
B426-BU
105-8827 DIODE AS.
200-BK
1
2
B
THIS IS THE SCHEMATIC FOR THE 143H NA AND 163H NA
(147-6535 CHG 00)
3K-8782 FUSE (10A)
8M-8948 FUSE (15A)
8M-0456 FUSE (20A)
PART NO.
UNLESS OTHERWISE SPECIFIED: ALL WIRES IN A SPLICE
AND XMSN SHIFTER IN NEUTRAL
IDENT
B426-BU
B426-BU
408-WH
201-BK
BLUE
202-BK
NOTE N: THE FOLLOWING WIRES MUST BE TWISTED
AT LEAST 1 TURN / 25 MILLIMETERS
462-YL
GREEN
BU
GN
RD
WH
OR
YL
PK
BK
BLADE, SPADE, RING,
OR SCREW TERMINAL
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
ELECTRICAL CONNECTION
2
1
2
1
AAA
200-BK
S
570-BU 570-BU
200-BK
112-PU-10
101-RD-4
101-RD-10
1
2
606-GY
200-BK
LO BEAM
HEADLAMP
9X-7169
629-PK
200-BK
LO BEAM
HEADLAMP
9X-7169
606-GY
605-YL
611-PU
619-GN
200-BK
629-PK
200-BK
1
2
629-PK
200-BK
6R
5R
4R
CONNECTOR
REAR
WIPER SW
3T-6655
3R
GN
GN
1
2
C
GN
GN
2R
1R
8F
7F
6F
5F
4F
3F
B
SYMBOL
2F
1F
DESCRIPTION
BROWN
PURPLE
GRAY
BLACK
N
PARK
COLOR
AWD CONTROL
LEVER
105-3769
ABBREV
PINK
STOP LAMP
SW
2M-9346
A
200-BK
BK-18
BK-18
A
200-BK
YELLOW
202-BK
408-WH
488-WH
BBB
1
2
SERVICE MODE SW (REAR LOC)
7N-8001
826-OR
BLADE
CUSHION
SOLENOIDS
7T-6517
570-BU
200-BK
113-OR
307-OR
909-BU
1
202-BK
202-BK
U
U
113-OR
U
15A
NOTE E: POWER LEADS FOR 2-WAY FM COMMUNICATION
RADIO SHOULD BE SIZE 10 AWG
202-BK
STARTING/CHARGING
ANALYZER WITHOUT
START AID
ATTACHMENT
113-OR
718-BU
823-GN
719-GY
977-YL7
201-BK
450-YL
A/M LAMP
449-BU
SOLE RETN
606-GY
SOLENOID 8
605-YL
SOLENOID 7
614-PU
SOLENOID 6
G460-GN
202-BK
(NOTE E)
1
M
L40
L40
200-BK
SOLENOID 5
SOLENOID 4
200-BK
SOLENOID 3
417-GY
SOLENOID 2
467-WH
SOLENOID 1
409-OR
EMS OUT
408-WH
404-YL
DUAL HP
419-YL
6
485-YL
8
410-WH
B426-BU
A429-YL
439-YL
101-RD-10
201-BK
413-BR
406-PU
405-GY
113-OR
415-GN
9
447-PK
441-OR
25A CONVERTER
BREAKER
3T-2662
113-OR
403-GN
CAT LINK -
BU ALARM
12V
M
M
200-BK
200-BK
200-BK
START SW.
ORANGE
WHITE
RED
130-GN
604-OR
488-WH
A
BR
200-BK
200-BK
PU
GY
BK-18
BK-18
408-WH
201-BK
TRANSMISSION SHIFT LEVER LOGIC TABLE:
CHG FLOW SOL
609-YL
200-BK
RD
BK
BK
RD
1
2
2
1
AIH LAMP
7N-5876
NOTE B
NOTE L
1
2
NOTE M: CHARGE PRESSURE SWITCH HAS BEEN REMOVED
FOR PRODUCTION
C913-BU
NOTE B: TERMINAL 3T-3157
SOCKET 3T-3158
SPRING 3T-3159
BOOT 3T-3278
CONTACT 6D-4161
TO
GND
RIGHT SPEAKER
6T-7695
L
N
P
Q
R
S
T
U
NOTE C:
A
B
C
D
E
F
G
H
J
K
1
2
3
4
5
24V OUTPUTS
410-WH
201-BK
570-BU
BRAKE AIR SW
3E-2033
201-BK
NEU
SOL
RET8
W/
AWD
160-PU
76
SOLENOIDS D
HPGEAR 5
B
U4
LEVEL
LL
MM
NN
N
3
S
T2
GROUND
+ BATTERY
609-YL
200-BK
619-GN
200-BK
OPERATOR STATION
200-BK
611-PU
605-YL
200-BK
1
2
RD
BK
LO BEAM
HEADLAMP
9X-7169
HI BEAM
HEADLAMP
9X-7170
TURN
SIGNAL
7X-6066
CAB TURN
SIGNAL
7X-6066
CAB HI BEAM
HEADLAMP
133-3035
CAB LO BEAM
HEADLAMP
133-3037
1
1
2
619-GN
200-BK
611-PU
200-BK
LO BEAM
HEADLAMP
9X-7169
HI BEAM
HEADLAMP
9X-7170
TURN
SIGNAL
7X-6066
CAB TURN
SIGNAL
7X-6066
CAB HI BEAM
HEADLAMP
133-3035
CAB LO BEAM
HEADLAMP
133-3037
606-GY
200-BK
611-PU
200-BK
RD
BK
200-BK
619-GN
1
2
200-BK
605-YL
611-PU
200-BK
619-GN
200-BK
BLADE
FLOOD
LAMP
9X-6775
BLADE
FLOOD
LAMP
9X-6775
404-YL
GAUGES
GAUGE
GAUGE
GAUGE
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAUGE
ARE THE SAME IDENT. NUMBER, COLOR, AND 16 GAUGE
M
SECONDARY
SECONDARY
SECONDARY
WITH SECONDARY
Y
Z
231 ATCH
221
222
202
271
184 ATCH
150 ATCH
154 ATCH
210
211
212
213 NOTE H
213 NOTE J
214
204 STD
204 ATCH
261 ATCH
262 ATCH
263 ATCH
105 STD
105 ATCH
141
142 ATCH
106 ATCH
205 ATCH
208 ATCH
151 ATCH
152 ATCH
206 ATCH
207
180
270
100 ATCH
101 ATCH
102
183
104
171
120
220
200
203
201
202
170
182
140
181
221
153 ATCH
143
160
230
260 ATCH
(EEC SOCKET)
(AWD FORWARD DISPL SOL)
(AWD REVERSE DISPL SOL)
(TOS)
(TRANS SPEED SENDER)
(BEACON-OPEN ROPS)
(CONDITIONER GP-B)
(HEATER GP)
(POS BAT TO START MTR)
(NEG BAT/DISCONNECT SW)
(DISCONNECT SW TO GND)
(NEG BAT TO POS BAT)
(NEG BAT TO POS BAT)
(START MTR TO FRAME GND)
(GND-R FRAME TO F FRAME)
(GND-R FRAME TO F FRAME)
(START MTR/STR RELAY)
(STEERING MTR TO GND)
(STR RELAY TO STR MTR)
(GND-F FRAME TO CAB)
(GND-F FRAME TO CAB)
(HEADLAMP BREAKER)
(LOW BEAM BREAKER-BAR)
(BLADE FLOOD LAMP)
(REAR FLOOD LAMP)
(2-WAY RADIO CONVERTER)
(CONDENSER GP-CAB)
(CONDENSER GP-ROOFTOP)
(REAR FLOOD LMP-FUEL TNK)
(ENGINE SHUTDOWN CNTRL)
(SWITCH PANEL)
(TRANSMISSION)
(HEADLIGHTS-BAR)
(LOW BEAMS)
(F FRAME-AWD)
(CAB FUSE PANEL)
(BLADE CUSHION)
(XSMN CONSOLE-SWITCHES)
(PLATFORM)
(ENGINE)
(R FRAME-ENGINE)
(RADIATOR GRILL)
(R FRAME)
(R FRAME-TRANS)
(XSMN CONSOLE)
(CAB-REAR)
(STEERING CONSOLE)
(CAB-FRONT)
(START MTR TO ENGINE)
(CONDENSER FAN JUMPER)
(HORN SWITCH)
(GAUGE CONSOLE)
(FUEL TANK)
(SECONDARY STEERING)
02
01
01
00
02
01
00
00
00
00
01
00
00
03
00
01
00
01
01
02
01
01
01
02
01
02
03
01
03
01
03
02
02
02
03
04
02
01
02
00
01
02
01
01
00
02
02
04
07
00
04
01
06
01
115-4599
115-3600
115-3599
136-3153
104-8588
101-8200
124-1429
124-1429
116-9981
110-6398
110-6399
8W-3630
108-3570
061-7661
7G-1060
8X-9618
115-5322
101-8204
101-8203
1S-2342
8X-9618
101-8197
101-8196
101-8190
101-8192
112-0829
8X-9091
9X-4189
101-8193
108-2302
101-8164
137-1120
101-8205
101-8194
106-4002
101-8181
101-8188
105-4648
122-8881
132-5187
113-2055
101-8171
101-8169
137-1719
137-1721
101-8161
123-0957
101-8162
9F-4337
6T-6962
8X-9440
123-0962
101-8172
101-8185
TO MACHINE STRUCTURE
NOTE F: USE 9X-9628 SWITCH WITH START
OFF (KEY)
KEY START SW
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF
KEY START
KEY START
ELECTRONIC MONITORING SYSTEM
(EMS) 9X-7801
SEC STEER
SEC STEER
SEC STER
SHIFT FAULT
AWD FAULT
ACTION ALARM
CONN 1
CONN 2
CONN 3
CONN 4
CONN 5
CONN 6
CONN 7
CONN 17
CONN 8
CONN 10
Y CONN 9a
Y CONN 9b
CONNECT CONN 9a TO
CONN 9b WHEN USING
CONN 11
CONN 12
CONN 13
CONN 27
CONN 14
CONN 15
CONN 16 CONN 25
CONN 26
CONN 23
CONN 20
CONN 21
CONN 22
CONN 19
CONN 18
CONN 24
CONN 29
CONN 28a
CONN 28b
CONN 28c
CONN 28a MATES TO CONN 28b
CONN 28a MATES TO CONN 28c
CONN 37b
CONN 37a
CONN 38
CONN 39
CONN 35
CONN 36
CONN 34
CONN 33
CONN 32
CONN 30
CONN 31
CONN 40
CONN 41
CONN 51a
CONN 51b
CONN 50
CONN 52
CONN 53
CONN 54
CONN 42
CONN 43
CONN 49
CONN 55
CONN 56
CONN 57
CONN 58
CONN 59
CONN 44
CONN 45
CONN 46
CONN 47
CONN 48
CONN 60
CONN 61
CONN 62
CONN 64
CONN 63
CONN 65
CONN 66
MOTOR GRADER
710-GN & 202-BK: 892-BR & 893-GN
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
F
E
D
C
B
A
F
E
D
C
B
A
E19557
WIRES THAT HAVE BATTERY VOLTAGE
WHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE BATTERY VOLTAGE
WHEN THE KEY SWITCH IS ON.
STARTING CIRCUIT.
GAUGE CIRCUIT.
ELECTRONIC MONITORING SYSTEM
(EMS) CIRCUIT.
PANEL LAMP CIRCUIT.
WASHER/WIPER CIRCUIT.
HEATER AND AIR CONDITIONER CIRCUIT.
GROUND CIRCUIT.
TURN SIGNAL CIRCUIT.
ALL WHEEL DRIVE CONTROL CIRCUIT.
START AID CIRCUIT.
TRANSMISSION CONTROL CIRCUIT.
ALL DASHED LINES ARE ATTACHMENTS.
