637E II ELECTRICAL SYSTEM SCHEMATIC

©
1999 Caterpillar
All Rights Reserved
Printed in U.S.A.
SENR9057-03
September 1999
637E Series II Wheel Tractor-Scraper
Electrical System
Tractor:
1FB660-UP
Scraper:
7CB180-UP
1HB691-UP
T
Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
Normally open switch that is closed due to an applied condition, and will open again with a
specific decrease in that condition.
Normally closed switch that will open with an increase of a specific condition.
Normally closed switch that is open due to an applied condition, and will close again
with a specific decrease in that condition.
The circle indicates that the component has screw terminals and a wire can be disconnected
from it.
No circle indicates that the wire cannot be disconnected from the component.
This indicates that the component has a wire connected to it that is connected to ground.
This indicates that the component does not have a wire connected to ground. It is grounded
by being fastened to the machine.
Electrical Schematic Symbols And Definitions
Pressure
Symbol
Temperature
Symbol
Level
Symbol
Flow
Symbol
A AA
2
A AA
1
2
325-PK-14
C
A
325-PK-14
200-BK-14
T
FUSE - A component in an electrical circuit that will open the circuit if too much current flows
through it.
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.
CIRCUIT BREAKER (C/B) - A component in an electrical circuit that will open the circuit if too
much current flows through it. This does not destroy the circuit breaker and it can be reset to
become part of the circuit again.
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 Electrical Schematic Symbols
Socket
Pin
Pin or Socket
Number
Wire, Cable, or Harness
Assembly Identification
Single Wire
Connector
Circuit Number
Identification
Wire
Gauge
Wire
Color
Plug
Receptacle
9X-1123
Component
Part Number
Electrical Schematic Symbols And Definitions
1
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.
MAGNETIC LATCH SOLENOID - A magnetic latch solenoid is an electrical component that is
activated by electricity and held latch by a permanent magnet. It has two coils (latch and unlatch)
that make electromagnet when current flows through them. It also has an internal switch that places
the latch coil circuit open at the time the coil latches.
Off Machine Switch Specification
Part No. Function Actuate Deactuate Contact Position
2M-9346 Stop Lamp Pressure 45.0 kPa MAX 5 kPa MIN Normally Open
(6.5 psi) (0.5 psi MIN)
3E-2024 Fuel Pressure 93 kPa 70 ± 20 kPa Normally Closed
(13.485 psi) (10.2 ± 2.9 psi)
3E-2026 Engine Oil Pressure 60 kPa MAX 38 ± 20 kPa Normally Closed
(8.7 psi) (5.5 ± 2.9 psi)
3E-2033 Secondary Brake Air Pressure 640 kPa MAX 530 ± 40 kPa Normally Open
(92.0 psi) (77.0 ± 6.0 psi)
3E-2034 Brake Service 80 kPa MAX 55 ± 20 kPa Normally Closed
(11.6 psi) (8.0 ± 2.9 psi)
3E-6428 Coolant Flow (CMS) 362 ± 29 mN
(49.8 mm ID point)
303 mN MIN Normally Open
(1.3 ± 0.1 oz,
2.0 in ID point)
(1.1 oz MIN)
7N-9560 Conv Retr Temp (EMS) 129.0 ± 3.0° C 118.0° C Min. Normally Closed
(265.0 ± 5° F) (245.0° F)
7N-9785 Engine Coolant Temp (EMS) 107.0 ± 3.0° C 91.0° C MIN Normally Closed
(225.0 ± 5° F) (196.0° F MIN)
8C-3569 Coolant Filter Indicator 37.8 ± 2.8° C 26.7° C MIN Normally Closed
(100 ± 5° F) (80.0° F MIN)
8T-9792 Parking Brake Pressure (EMS) 517.0 ± 35.0 kPa (448.0 ± 35.0 kPa) 1-2, Normally Open
(75.0 ± 5.0 psi) (65.0 ± 5.0 psi) 1-3, Normally Closed
9D-6888 Refridgerant 234 kPa MAX 152 kPa MIN Normally Open
(34 psi MAX) (22 psi MIN)
9X-5445 Refridgerant Thermostat -1.1 ± 0.8° C 2.2 ± 0.8° C Normally Open
(30 ± 1.4° F) (36 ± 1.4° F)
9X-7088 Coolant Flow
362 ± 29 mN
(64.6 mm ID point)
303 mN MIN Normally Open
(1.3 ± 0.1 oz,
2.5 in ID point)
(1.1 oz MIN)
101-5459 Engine Oil Pressure 90.0 kPa MAX 70.0 ± 20.0 kPa Normally Open
(13.0 psi MAX) (10.0 ± 3.0 kPa)
107-0612 Engine Oil Pressure 93 ± 21.0 kPa 70.0 ± 21.0 kPa Normally Open
(13.5 ± 3.0 psi) (10.0 ± 3.0 kPa)
109-0620 Pump Case Drain Filter Switch 124 ± 14 kPa 35.0 kPa MIN Normally Closed
(18 ± 2 psi) (12 psi)
109-4215 Steering Flow 4 grams 1.5 grams Normally Open
(0.14 oz) (0.05 oz)
Resistor, Sender and Solenoid Specifications
Part No. Component Description Resistance (Ohms)¹
3T-3123 Resistor: Panel Dimmer 25 ± 0.3
6T-2217 Resistor: Starter/Diagnostic Conn 150 ± 7.5
7X-6416 Resistor: Power 50.0 ± 5.00
9G-1950 Resistor: Blower Motor Speed Overall 2.0 ± .1; Tap 1.0 ± .05
3E-7259 Sender: Converter Sender (Sc)
12870-15730 @ 54.4° C
1159-1281 @ 115.6° C
3E-9257 Sender: Converter Sender (Tr) 33.7 ± 1.0@ 25.5 ± 5°C
6N-5926 Sender: Coolant
5806-7264 @ 54.4° C
524-586 @ 115.6° C
3E-1906 Solenoid: A/C Clutch 17.6 ± .6
3E-5206 Solenoid: Bail 34.2
6T-9290 Solenoid: Sync 26 ± 2
7N-7259 Solenoid: Start Aid 6
7T-9074 Solenoid: Forward Horn 55.0 ± 6.0
8T-8692 Solenoid: Cushion Hitch 34.2
9X-9482 Solenoid: Apron, Differential Lock, Slip Limiter, Throttle Lock 68
105-1500 Solenoid: Injector 1.55 ± .2
144-6292 Solenoid: Downshift/Upshift 32.6 ± 1.6
¹ At Room Temperature.
Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Power Distribution Circuits Control Circuits
101 RD Bat (+) 702 OR XMSN Brake Sw Jumpe
r
102 BU Hd Lmp 703 BU XMSN Up Sol
103 YL Aux Ckt 704 GY XMSN Down Sol
105 BR Key Sw 706 BR XMSN Retarder Sw
109 OR Alt Output (+) Term. 708 YL XMSN Hold Sw
110 GN Aux Ckt 709 OR Sensor Power Supply
112 PU Main Power Rly Output 710 GN XMSN Speed Pickup Signal
113 OR Opr Mon Panel 711 BR XMSN Lever Code 1
114 GN Warning Horn (Forward) 712 WH XMSN Lever Code 2
117 YL Aux Ckt 713 OR XMSN Lever Code 3
118 GY Aux Ckt 714 YL XMSN Lever Code 4
119 PK Aux Ckt 715 GN XMSN Lever Code 5
121 YL Bckp Alarm to Lamp 716 BU XMSN Lever Code 6
122 BU Aux Ckt 717 BR Bowl Apron Sol Float/VCTC Sol
123 WH Aux Ckt 720 PU XMSN Brake Sw
124 GN A/C 721 BR XMSN Gear Code 1
125 OR Aux Ckt 722 WH XMSN Gear Code 2
126 PK XMSN Ctrl 723 OR XMSN Gear Code 3
141 PK Aux Ckt 724 YL XMSN Gear Code 4
150 OR Bat (+) 725 GN XMSN Gear Code 5
165 YL Aux Ckt 726 BU XMSN Gear Code 6
173 YL Aux Ckt 733 BR Switching Gear Code 1 Front
Ground Circuits 734 WH Switching Gear Code 2 Front
200 BK Main Chassis 735 OR Switching Gear Code 3 Front
201 BK Opr Mon Panel 736 YL Switching Gear Code 4 Front
202 BK XMSN Ctrl 737 GN Switching Gear Code 5 Front
203 BK Chassis Diagnostic 738 BR Switching Gear Code 1 Rear
204 BK Opr Mon Panel (Scraper) 739 WH Switching Gear Code 2 Rear
207 BK Starter Diagnostic 740 OR Switching Gear Code 3 Rear
229 BK Bat (-) 741 YL Switching Gear Code 4 Rear
A234 BK J1939 Shield Gnd 742 GN Switching Gear Code 5 Rear
Basic Machine Circuits 743 PU Switching Neut/Run Sw
301 BU Starter No. 1 Sol 744 BU Switching Up Sol
302 OR Starter No. 1 Resistor to Diagnostic 745 GY Switching Down Sol
304 WH Starter Rly No. 1 Output 746 PK Switching Synchronize Sol
306 GN Starter Rly Coil to Neut Start Sw or Key Sw A700 OR Digital Sensor Power(+8V)
307 OR Key Sw to Neut Start Sw A701 GY Injector #1
308 YL Main Power Rly Coil A702 PU Injector #2
310 PU Start Aid Sw To Start Aid Sol A703 BR Injector #3
321 BR Bckp Alarm A704 GN Injector #4
322 GY Warning Horn (Forward) A705 BU Injector #5
323 WH Fuel Pump Power A706 GY Injector #6
324 BU Diff Lock Sol A707 PU Injector #7
366 PK Coil to Eng Oil Press Sw A708 BR Injector #8
Monitoring Circuits A746 PK Turbo Outlet Pressure
403 GN Alternator (R) Term. A747 GY Atmospheric Pressure
405 GY Opr Mon Oil Press. (Lo Setting) E766 GN Auger Sw
406 PU Opr Mon Coolant Temp E767 BU Fwd Auger/Elev Sol
407 PK Opr Mon Converter/Retarder Oil Temp E793 BU ATA Data Link -
408 WH Opr Mon System Air Press. E794 YL ATA Data Link +
409 OR Opr Mon Neut E795 YL Crankcase Press
410 WH Opr Mon Fault Alarm E796 GN Oil Press (Unfiltered)
411 PK Opr Mon Master Fault Lamp E797 WH PWM #3 Return
412 BU Opr Mon Cool Flow E798 PK PWM #3
413 BR Opr Mon Fuel Press. E799 BR PWM #1 and #2 Return
415 GN Opr Mon Test Sw F700 BU PWM #1 Out (3.5A)
417 GY Primary Ster Sw F701 BR PWM #2 Out (3.5A)
419 YL Opr Mon Parking Brake F702 GN Throttle
421 BU Opr Mon Fault Lamp (Scraper) F703 GY LH Turbine Inlet Exh Temp
422 YL Opr Mon Warning Horn (Scraper) F704 OR RH Turbine Inlet Exh Temp
423 PU Opr Mon Test Sw (Scraper
) F705 PK High Coolant Temp
441 OR Eng Coolant Temp Gauge F706 PU Low Oil Pressure
444 BU Converter/Retarder Oil Temp Gauge F707 WH Ether Currnet Level Rly
445 GN Conv Retr Oil Temp Gauge (Scraper) F708 YL Start Aid Relay
450 YL Tach Sender (+) F709 BU Engine Overspeed
A417 WH Opr Mon Scraper XMSN F710 BR Ether On Relay
B485 BU (NFND) Pump Case Drain Filter Diff Press F711 GN CAN Link +
B491 WH (NFND) Case Drain Filter Press Sw F712 GY CAN Link -
C434 YL Forward Elev Sol F713 OR Left Turbo Inlet Press
C435 GN Reverse Elev Sol F714 PK Right Turbo Inlet Press
C436 BU Differential Filter Press Sw F715 PU Shutdown (NO)
Accessory Circuits F716 WH Shutdown (NC)
500 BR Wiper - Front (Park) F717 YL Sw 4 Throttle Lock Sw - Off
501 GN Wiper - Front (Lo) F718 BU Sw 5 Throttle Lock Sw - On
502 OR Wiper - Front (Hi) F720 GN Start Aid Sw
503 BR Wiper - Rear (Park) F721 GY Diagnostic Enable Sw
504 YL Wiper - Rear (Lo) F722 OR Spare
505 BU Wiper - Rear (Hi) F723 PK TBC Probe +
506 PU Washer - Front F724 PU TDC Probe -
507 WH Washer - Rear F725 WH TL Brake Pressure
513 OR A/C Compressor/Refrigerant Press. Sw F726 YL Injector Common 1 & 3
515 GY Blower Motor (Hi) F727 BU Injector Common 2 & 4
516 GN Blower Motor (Medium) F728 BR Injector Common 5 & 7
517 BU Blower Motor (Lo) F729 GN Injector Common 6 & 8
521 YL A/C Sw to Refrigerant Sw F732 PK Backup Camshaft Spd/Tmg
522 WH A/C Clutch to Thermostat Sw F737 YL Analog Sensor Input 6
537 GN Turn Signal Sw to Flasher G718 YL Elevator Control Signal
A519 GN Axle Suspension Sol Valve A751 YL After Cooler Temp
A520 BU Relay ti Axle Suspension Rocker Sw 892 BR VMIS Start Mod Right (-) Port
A541 PU Flasher to Indicator Lights 893 GN VMIS Start Mod Right (+) Port
A552 GN Bail Sw to Bail Sol 993 BR Analog Sensor Common
Lighting Circuits 994 GY Oil Pressure (Filtered)
600 BR Dash Lamp Basic 995 BU Coolant Temperature
601 GY Dash Lamp Hi 996 GN Engine Speed/Timing Sensor Power
602 WH Dome Lamp 997 OR Analog Sensor Power (+ 5V)
604 OR Stop Lamp 998 BR Digital Sensor Return
605 YL Turn Lamp - Left 999 WH Primary Camshaft Speed/Timing
606 GY Turn Lamp - Right K964 PU XMSN Control Clear Switch
608 GN Flood Lamp - Rear K965 YL Engine Control Set Sw
609 YL Flood Lamp - Side K966 PU Forw Auger Sw to Rcv Aug Sw
610 OR Head Lamp Basic K967 WH Rev Aug Sol
611 PU Head Lamp Hi K968 GN Forw Aug Sw to Slip Limiter Sw
614 PU Park/Tail/Dash Lamp K969 GY Slip Limiter Sol
619 GN Head Lamp Lo K970 OR Auger Sol
639 WH Left Hand Stop/Tail Lamp L915 PK Elev Relay Control
640 GN Right Hand Stop/Tail Lamp L916 YL Rev Elev Sol Cntl
Connector Location
Connector Number
Schematic
Location
Machine
Location
CONN 1 C-12 19
CONN 2 F-11 38
CONN 3 D-11 6
CONN 4 C-11 1
CONN 5 C-11 2
CONN 6 B-11 3
CONN 7 B-11 19
CONN 8 A-11 4
CONN 9 A-11 E
CONN 10 A-10 4
CONN 11 B-10 5
CONN 12 B-10 5
CONN 13 B-10 7
CONN 14 B-10 8
CONN 15 C-10 5
CONN 16 C-10 7
CONN 17 C-10 8
CONN 18 E-10 6
CONN 19 E-10 6
CONN 20 F-10 A
CONN 21 D-9 6
CONN 22 D-9 C
CONN 23 A-8 11
CONN 24 B-8 35
CONN 25 B-8 9
CONN 26 B-8 10
CONN 27 B-8 11
CONN 28 C-8 13
CONN 29 E-8 6
CONN 30 F-8 A
CONN 31 F-7 A
CONN 32 E-7 6
CONN 33 C-7 13
CONN 34 B-7 11
CONN 35 B-7 11
CONN 36 A-7 35
CONN 37 A-7 35
CONN 38 B-6 38
CONN 39 C-6 12
CONN 40 C-6 14
CONN 41 C-6 13
CONN 42 C-5 13
CONN 43 C-5 14
CONN 44 B-5 17
CONN 45 B-5 43
CONN 46 B-4 18
CONN 47 D-4 16
CONN 48 D-4 16
CONN 49 E-4 6
CONN 50 B-2 15
CONN 51 E-1 15
CONN 52 F-1 15
CONN 53 F-1 15
CONN 54 F-7 13
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 Location Chart
Component
Machine
Location
Schematic
Location
Component
Machine
Location
Schematic
Location
Alarm (Sc) - Action D-6 A Solenoid (Sc) - Upshift A-11 5
Alarm (Sc) - Action (Master) D-6 A Solenoid (Tr) - Downshift A-7 11
Alarm (Tr) - Action D-6 A Solenoid (Tr) -Start Aid A-5 23
Alarm - Backup C-12 19 Solenoid (Tr) - Upshift A-7 11
Alternator (Sc) B-10 20 Solenoid - Air Conditioner Clutch B-5 21
Alternator (Tr) B-5 21 Solenoid - Apron E-10 34
Battery (Sc) A-9 22 Solenoid - Auger Forward A-8 35
Battery (Tr) A-6 23 Solenoid - Auger Reverse A-8 35
Breaker (Sc) - Alternator (40 AMP) A-10 E Solenoid - Bail B-7 11
Breaker (Sc) - Key (10 AMP) A-10 E Solenoid - Cushion Hitch B-8 36
Breaker (Tr) - Alternator (80 AMP) E-8 D Solenoid - Cylinder Head (1,3,5,7) F-3 15
Breaker (Tr) - Key (10 AMP) F-8 D Solenoid - Cylinder Head (2,4,6,8) E-3 15
Breaker - Blower Motor (15 AMP) E-7 D Solenoid - Differential Lock E-11 C
Breaker - Engine Control (15AMP) E-7 D Solenoid - Forward Horn E-11 C
Breaker - Head Lamp E-7 D Starter (Sc) A-9 29
Breaker - Panel, Dome, Stop and Tail E-7 D Starter (Tr) B-6 37
Lamp (10A) Switch (Sc) - Convertor B-8 29
Control (Sc) - Neutral Start B-11 5 Switch (Sc) - Coolant A-8 39
Control (Sc) - Transmission Switching D-12 5 Switch (Sc) - Coolant B-9 39
Control - Engine ECM C-3 24 Switch (Sc) - Disconnect A-9 34
Control - EPTC II F-12 6 Switch (Sc) - Engine Oil B-8 41
Control - Interface Relay (Auger) D-10 C Switch (Sc) - Fuel B-9 29
Control - Interface Relay (Cush) F-9 C Switch (Sc) - Instrument A-12 B
Control - Interface Relay (Bail) F-9 C Switch (Sc) - Key Start E-7 E
Control - Stop/Tail Lamp B-11 25 Switch (Sc) - Operator Monitor Test B-12 E
Dryer - Air A-5 26 Switch (Sc) - Start Aid A-12 E
Flasher F-8 C Switch (Sc) - Transmission B-11 A
Fuses D-7 D Switch (Tr) - Conv Retr A-6 38
Gauge (Sc) - Conv Retr Temperature D-9 E Switch (Tr) - Disconnect A-6 23
Gauge (Tr) - Conv Retr Temperature D-9 B Switch (Tr) - Key Start A-12 B
Gauge (Tr) - Coolant Temperature D-9 B Switch (Tr) - Operator Monitor Test D-6 A
Gauge - Air Pressure D-9 B Switch (Tr) - Start Aid F-7 A
Indicator Assembly C-4 A Switch (Tr) - Transmission A-8 A
Horn - Overspeed C-8 A Switch - Air E-11 A
Lamp (Sc)- Action (Master) B-12 A Switch - Apron F-11 B
Lamp (Tr)- Action (Master) E-6 A Switch - Auger Forward E-10 B
Meter (Sc) - Service A-12 E Switch - Auger Reverse A-8 B
Meter (Tr) - Service E-9 D Switch - Backup Alarm F-9 B
Monitor (Sc) - Operator B-12 E Switch - Bail F-11 A
Monitor (Tr) - Operator E-6 A Switch - Blower E-6 B
Motor - Blower F-4 C Switch - Brake Service D-12 A
Motor - Blower F-5 C Switch - Charge Pump Filter A-7 35
Motor - Fuel Pump C-9 27 Switch - Coolant Filter Indicator A-8 35
Motor - Washer (Front) D-11 21 Switch - Coolant Flow F-1 40
Motor - Washer (Rear) D-11 21 Switch - Cushion Hitch F-11 A
Motor - Wiper (Front) F-5 C Switch - Differential Lock D-11 40
Motor - Wiper (Rear) F-8 C Switch - Dome Lamp F-8 A
Radio - Power E-6 C Switch - Door Dome Lamp F-7 A
Receptacle (Sc) - Aux Start A-9 28 Switch - Engine Diagnostics D-4 A
Receptacle (Sc) - Aux Start A-9 28 Switch - Engine Oil B-6 24
Relay (Sc) - Start A-10 E Switch - Engine Oil (Cush/Bail) B-5 31
Relay (Tr) - Start E-8 6 Switch - Flood Lamp E-6 A
Relay - Main E-8 6 Switch - Ground Level Shutdown A-5 42
Relay - Overspeed F-10 A Switch - Head Lamp Dimmer E-12 C
Relay - Start Aid E-9 C Switch - Hold F-11 B
Relay - Test Switch F-10 A Switch - Horn (Forward) F-7 A
Resistor (Sc) - Power A-9 3 Switch - Motor Case Drain Filter A-8 B
Resistor (Sc) - Starter A-9 29 Switch - Neutral/Run F-7 B
Resistor - Blower Speed E-4 C Switch - Overspeed Test E-9 B
Resistor - Panel Dimmer F-6 A Switch - Panel Dimmer F-6 A
Resistor - Starter Diagnostic Connector B-6 C Switch - Parking Brake A-7 B
Sendor (Sc) - Converter B-8 29 Switch - Pump Case Drain Filter A-7 35
Sender (Tr) - Conv Retr B-6 29 Switch - Refrigerant E-4 43
Sender - Coolant B-6 24 Switch - Retarder Brake D-12 B
Sensor - Atmospheric Pressure E-2 24 Switch - Running Lamp F-6 A
Sensor - Backup Cam S/T F-2 24 Switch - Secondary Parking Brake A-7 B
Sensor - Coolant Temperature F-2 24 Switch - Service Clear D-12 6
Sensor - Engine Oil Pressure E-2 24 Switch - Service Set D-12 6
Sensor - Engine Oil Temperature E-2 24 Switch - Shift Lever F-9 B
Sensor - Fuel Temperature E-2 24 Switch - Side Flood Lamp F-7 A
Sensor - Primary Cam S/T F-2 24 Switch - Slip Limiter E-10 B
Sensor - Rail Pressure F-2 24 Switch - Steering A-7 32
Sensor - Tach A-6 30 Switch - Stop Lamp E-11 C
Sensor - Throttle Lock Brake Pressure B-6 31 Switch - Thermostat E-4 B
Sensor - Throttle Position C-6 C Switch - Throttle Lock D-4 B
Sensor - Transmission Speed A-8 32 Switch - Turn Signal F-8 A
Sensor - Turbo Outlet Pressure F-2 24 Switch - Wiper (Front) F-5 A
Solenoid (Sc) - Downshift A-11 5 Switch - Wiper (Rear) F-5 A
Solenoid (Sc) - Step Limiter A-9 B Tachometer D-5 A
Solenoid (Sc) - Start Aid A-10 33 Valve - Rail Pressure Control F-2 15
Solenoid (Sc) - Sync A-12 11
Component Identifiers (CID¹)
Module Identifier (MID²)
CID
Component
168 Electrical System Voltage
190 Engine Speed
248 CAT Data Link
269 Sensor Power Su
pply
571 Forward Elevator Solenoid
572 Reverse Elevator Solenoid
575 Elevator Lever Senso
r
627 Secondary Brake Pressure Switch
650 Harness Code
700 Transmission Gear Switch
701 Transmission Output Speed Sensor
702 Shift Lever Switch
704 Service Brake Pressure Switch
707 Up Shift Solenoid
708 Down Shift Solenoid
709 Locku
p Solenoid
773 Hoist Lever Position Sensor
HEUI ADEM II ECM
(MID No. 036)
CID
Component
1Cylinder 1 Injector Solenoid
2Cylinder 2 Injector Solenoid
3Cylinder 3 Injector Solenoid
4Cylinder 4 Injector Solenoid
5Cylinder 5 Injector Solenoid
6Cylinder 6 Injector Solenoid
7Cylinder 7 Injector Solenoid
8Cylinder 8 Injector Solenoid
42 Rail Control Valve
91 Throttle Position
100 En
gine Oil Pressure
110 Engine Coolant Temperature
164 Rail Pressure
168 Electrical System Voltage
174 Fuel Temperature
175 En
gine Oil Temperature
190 Engine SpeedfTiming Sensor
248 CAT Data Link Communications
253 Personality Module Mismatch
254 Internal ECM Failure
261 Engine Timing Calibration
262 Analo
g Sensor Power Supply
263 Digital Sensor Power Supply
267 Engine Shutdown
268 Pro
grammable Parameter Fault
273 Turbo Outlet Pressure
274 Atmospheric Pressure
281 En
gine Lamp
282 Engine Overspeed Circuit
284 EMS Engine On
285 EMS Engine Coolant Lamp
286 EMS Low Engine Oil Pressure Lamp
342 Secondary Engine SpeedfTiming Sensor
545 Start Aid Relay
549 Throttle Lock Switch
561 Rear Engine Throttle Lock Solenoid
601 Brake Air Pressure
799 Electronic Service Tool Software U
pdate
Failure Mode Identifiers (FMI)¹
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.
14 Parameter failures.
15 Parameter failures.
16 Parameter not available.
17 Module not responding.
18 Sensor supply fault.
19 Condition not met.
20 Parameter failures.
¹The FMI is a diagnostic code that indicates what type of failure has
occurred.
Related Electrical Service Manuals
Title Form Number
Alternator (Tr); 100-5047 SENR2082
Alternator (Sc); 6N-9294 SENR4130
Electronic Monitoring System SENR2945
Electronic Neutral Start Control SENR3889
Engine Control SENR1037
Starting and Charging Systems
SENR2947
Starting Motor (Tr); 6V-0890 SENR3860
Starting Motor (Sc); 4N-3181
SENR3581
Trans Control (Tr); 3E-9233
SENR9122
Trans Control (Sc); 7X-1611
SENR6829
D61970
A
3
4
5
6
8
9
10
11
12
14
15
13
16
B
C
D
E
1
2
1718
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
Machine Harness Connector And Component Locations
A
3
4
5
6
8
9
10
11
12
14
15
13
16
B
C
D
E
1
217
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
37
35
33
34
3638
7
39
40
41
42
43
A = Located in the front dash.
B = Located in the righthand console.
C = Located in the cab.
D = Located in the lefthand console.
E = Located in the scraper dish panel.
F-1001161-3589
F-1101154-7465
01
LL
LL
W
W
103-RD
103-RD
A552-GN
F709-BU
148-RD
F709-BU
CH/BAIL
10A
BACKUP ALARM
W
87a
87
30
8685
85 86
3087
87a
01
918-OR
366-PK
3
4
5
2
1
6
918-OR
103-RD
919-GN
366-PK
F709-BU
103-RD
OVERSPEED
RELAY
TEST SW
RELAY
3E-5239
3E-5239
CONTROL GP
(INTERFACE RELAY)
106-9188
CONTROL GP
(INTERFACE RELAY)
106-9188
141-PK
A520-BU
148-RD
366-PK
148-RD
(C/H)
A553-BU
148-RD
366-PK
148-RD
176-YL
9
10
9
10
(BAIL)
7
4
6
5
8
3
1
2
2
1
3
8
5
6
4
7
THIS SCHEMATIC IS FOR THE 637E WHEEL TRACTOR
SCRAPER WITH HEUI 3408 TRACTOR ENGINE (123-5224 CHG 01).
RR
HOLD SW
157-1357
APRON SW
157-1358
CUSH HITCH/
BAIL SW
158-1353
CONT GP-ELEC
150-9191
3
2
1
W XXX
XXX
FLASHER
3E-7527
+ BATTERY
LOAD
PILOT
UP SHIFT
SOLENOID
144-6292
DOWN SHIFT
SOLENOID
144-6292
A541-PU
918-OR
200-BK
OVERSPEED
LAMP
7N-5876
BASE
7G-9730
WW
WW
919-GN
OVERSPEED
TEST SW
9D-3721
WW WW
103-RD
176-YL
A552-GN
A520-BU
176-YL
A553-BU
366-PK
141-PK
918-OR
918-OR918-OR
919-GN 919-GR
165-YL
6
5
4
3
2
1
9
10
2
1
7
6
10
9
10
TTT
NOTE C
NOTE H: FOR USE WITH AUGER ONLY
NOTE G: FOR USE WITH ELEVATOR ONLY
ATCH H
ATCH G
TTT
ZZZ
ZZZ
ZZZ
ATCH
L96
L96
A553-BU
141-PK
L94
L94
L94
L93
L93
L92
L92
L92
L91
L91
L90
L89
L90
L90
L89
L90
L89
L88
L88
L87
L87
L87
L86
L86
L86
L86
L85
L85
L85
L85
L85
L85
L85
L85
L84
L84
L84
L84
L84
L83
L83
L82
L82
L82
L82
L82
L81
L81
L81
L80
L80
L80
L79
L79
L79
L78
L78
L78
L78
L78
L78
L77
L77
L77
L77
L76
L76
L75
L75
L75
L74
L74
L74
L73
L73
L73
L72
L72
L72
L72
L72
L72
L70
L70
L60
L70
L70
L71
L70
L71
L71
L71
L71
L70
L69
L69
L68
L68
L69
L69
L69
L68
L68
L68
L67
L67
L67
L67
L66
L66
L66
L66
L66
L66
L65
L65
L65
L65
L65
L64
L64
L64
L64
L64
L64
L63
L63
L63
L63
L62
L62
L61
L61
L61
L60
L60
L60
L60
L55
L55
L55
L55
L55
L54
L54
L62
L54
L54
L54
L54
L53
L53
L53
L52
L52
L51
L51
L51
L51
L51
L51
L50
L50
L49
L49
L48
L48
L48
BLUE
L47
L47
L47
L47
L46
L46
L46
L46
L45
L45
L45
L45
L43
L44
L44
L44
L43
L43
L44
L44
L43
L42
L42
L42
L41
A520-BU
L41
L41
L40
L40
RED
GREEN
YELLOW
L40
L39
L39
L39
L39
L37
L37
1
3
4
2
606-GY
605-YL
537-GN
L37
919-GN
919-GN
918-OR
L35
L35
L35
L34
L34
L34
L34
L33
L33
L33
L32
L32
L32
L32
L31
L31
L30
L30
L30
L28
L28
L28
L27
L27
L27
L26
L26
L26
L26
L26
L26
L25
L25
L25
L25
L25
L24
L24
L23
L23
L22
L22
L22
L22
L21
L21
L21
L21
L20
L20
L19
L19
200-BK-14
200-BK-14
L18
L18
L17
L17
L16
L16
L16
L15
L15
L14
L14
L14
L13
L13
L13
L13
L12
L12
L12
L12
L11
L11
L11
L10
L9
L9
L11
L10
L9
L8
L8
L8
L7
L7
L7
L6
L6
L6
L5
L5
L4
L4
L3
L3
L2
L2
L1
L1
GN-18
GN-18
GN-18
GN-18
GN-18
BK
BK
GN-18
BK
GN-18
GN-18
GN-18
GN-18
B-400122-6798ZZZ
12 11 10 9 8 7 6 5 4 3 2 1
12 11 10 9 8 7 6 5 4 3 2 1
F
E
D
C
B
A
F
E
D
C
B
A
GN-18
GN-18
CIRCUIT GROUPING
DESIGNATION
#L
P
EE
A
A
CCC
CCC
CCC
CCC
CCC
2
W
NOTE F: REQUIRES WIRE AS. 134-5391 WHEN ATTACHMENT
RETARDER IS NOT INSTALLED.
1
134-5391
NOTE F
202-BK
200-BK
204-BK
323-WH
200-BK
2
4
3
2
1
1
2
3
4
1
2
1
F727-BU
200-BK
200-BK
2
1
2
3
4
10
9
8
7
6
5
4
3
06
2
5
4
3
6
7
8
2
1
GN-18
720-PU
2
1
2
1
00LLL
A
B
C
158-0411
412-BU
998-BR
C434-YL
C435-GN
165-YL
2
L915-PK
L915-PK
L916-YL
E767-GN
202-BK202-BK
126-PK
126-PK
L916-YL
G718-YL
1
9
6
2
3
8
4
1
5
7
10
12
11
E793-BU
E794-YL
RRR
F728-BR
10
2
E794-YL
E793-BU
E794-YL
E794-YL
E793-BU
YYY
2
CHASSIS
GROUND
CAB
GROUND
YYY
4
3
1
NOTE B
998-BR
2
1
4
3
5
200-BK
NOTE B
A
9
8
5
2
1
3
6
4
K
W
W
W
W
W
W
W W
W
F718-BU
W
W
W
W
LLL
F726-YL
522-WH-14
2
4
165-YL
200-BK
F708-YL
12
14
15
11
10
16
9
8
310-PU
18
19
20
2
17
13
7
6
5
4
3
1
12
11
10
7
3
9
6
2
1
2
1
1
2
4
5
4
3
2
1
W
RADIO
POWER
200-BK
110-GN
1
2
W
NN
B
B
B WWW
ARC SUPPRESSOR
105-8827
CUSHION
HITCH
SOLENOID
8T-8692
B491-WH
201-BK
200-BK
A519-GN
308-YL-18
GN-18
10
9
8
126-PK
126-PK 126-PK
BAIL
SOLENOID
3E-5206
ARC
SUPPRESSOR
105-8827
A
A552-GN
200-BK
2
1
1
2
EEE
A
606-GY
605-YL
614-PU
605-YL
200-BK-14
606-GY
614-PU
614-PU
605-YL
606-GY
516-GN-14
200-BK-14
521-YL-14
515-GY-14
517-BU-14
202-BK
SLIP
LIMIT SW
106-3838
8
7
6
5
4
3
165-YL-20
202-BK-20
1
2
1
25
24
23
22
21
123-WH
445-GN
3
601-GY
601-GY
601-GY
601-GY
AA
521-YL-14
601-GY
366-PK
2
1
20
200-BK
L1
606-YL
605-YL
1
2
5
F701-BR
F725-WH
150-RD
150-RD
F702-GN
A700-OR
998-BR
F716-WH
F715-PU
F717-YL
E799-BR
113-OR
893-GN
892-BR
993-BR
997-OR
A
605-YL
606-GY
F725-WH
993-BR
997-OR
E799-BR
F701-BR
892-BR
893-GN
A700-OR
998-BR
F702-GN
998-BR
F716-WH
F715-PU
150-RD
150-RD
113-OR
998-BR
F718-BU
F717-YL
605-YL
606-GY
C434-YL
E793-BU
F720-GN
366-PK
BK
T
THROTTLE
LOCK
SOLENOID
9X-9482
2
1
C435-GN
2
1
3
366-PK
103-RD
614-PU
F721-GY
1
NOTE B
606-GY
605-YL
E799-BR
F701-BR
E799-BR
F701-BR
165-YL
E799-BR
F701-BR
OR-18
BK-18
SIGNAL
GROUND
+5V
WH-18
200-BK
4
EEE
A
F725-WH
126-PK
993-BR
126-PK
997-OR
E799-BR
F701-BR
892-BR
893-GN
A700-OR
7
998-BR
6
5
4
2
00XXX F-10125-1451
18
E793-BU
E794-YL
E794-YL
1
17
AAA
F715-PU
F716-WH
113-OR
113-OR
150-RD
150-RD
113-OR
F717-YL
F718-BU
998-BR
16
15
150-RD
150-RD
W
14
W
101-RD-14
101-RD-14
112-PU-14
12
10
THROTTLE POSITION
SENSOR
3E-7700
C
B
A
998-BR
A700-OR
RD-18
BK-18
SIGNAL
GROUND
+8V
WH-18
8
606-GY
605-YL
517-BU-14
515-GY-14
200-BK-14
998-BR
521-YL-14
F721-GY
F721-GY
202-BK
W
2
3
A553-BU
176-YL
A552-GN
717-BR
A519-GN
366-PK
A520-BU
141-PK
165-YL
F709-BU
F709-BU
366-PK
126-PK
F721-GY
7
3
6
720-PU
5
998-BR
200-BK
323-WH
1
2
FUEL
PUMP
1W-4279
MOTOR
200-BK
202-BK
4
1
6
F716-WH
LLL
708-YL
EEE
TURN
SIGNAL SW
2T-3413
200-BK
605-YL
LEFT
TURN LAMP
6V1119
6
3
2
1
3
2
1
605-YL
614-PU
200-BK
606-GY
9
516-GN-14
200-BK
126-PK
126-PK
1
200-BK
614-PU
202-BK
202-BK
5
614-PU
4
200-BK
3
200-BK
2
606-GY
TURN
PARK
SYNC
SOLENOID
6T-9290
1
WH-18
+ BATTERY
GEAR 2
GEAR 3
GEAR 4
GEAR 5
UP SOL
DOWN SOL
GROUND
HOLD SW
LEVER 1
LEVER 2
LEVER 3
LEVER 4
LEVER 5
GEAR 1
GND VERIFY
GND VERIFY
+10V
ID CODE 0
ID CODE 1
ID CODE 2
ID CODE 3
FRONT GR 1
FRONT GR 2
FRONT GR 3
FRONT GR 4
FRONT GR 5
27
37
36
5
29
30
16
15
14
13
12
11
19
18
17
20
6
7
8
2
10
9
4
3
26
25
24
23
22
21
28
35
34
33
32
31
1
BK-18
202-BK
202-BK
PARKING
BRAKE SW
3E-2033
4
WWW
10
9
8
7
6
5
4
3
2
1
RD-18
XMSN SP
893-GN
892-BR
EPTC-II XMSN
CONTROL
3E-9233
START RELAY
R ELEV SOLE
NEUTRAL EMS
NEUTRAL PMC
START SW
SERVICE
CLEAR
SW. GROUND
DATA +
DATA -
BK-18
FILTER INDICATOR
COOLANT SW
8C-3569
201-BK
605-YL
10
202-BK
BK-18
LEFT TURN
PARK LAMP
129-5688
TURN
PARK
WH-18
B491-WH
ATCH
BK-18
419-YL
1
F710-BR
RD-18
8
7
201-BK
605-YL
F710-BR
200-BK-14
310-PU
200-BK
125-6059 B-8WWW 05
F710-BR
11
F710-BR
5H-0837
8
703-BU
710-GN
709-OR
5
201-BK
417-GY
721-BR
722-WH
723-OR
4
1
998-BR
THROTTLE LOCK SW
4D-1836
C435-GN
2
200-BK
200-BK
201-BK
724-YL
3
725-GN
726-BU
10
9
F718-BU
F717-YL
8
7
6
5
4
3
2
1
9
8
7
6
MM
KKK
5
4
3
2
(SHOWN IN ENGINE RUN POSITION)
998-BR
GROUND LEVEL
SHUTDOWN SW
4D-1836
F715-PU
1
3
1
605-YL
F721-GY
F715-PU
2
200-BK
606-GY
RIGHT TURN LAMP
6V-1119
K
C436-BU
202-BK
MOTOR
CASE
DRAIN
FILTER
SW
109-0260
NN
B491-WH
201-BK
2
200-BK
1
2
START RELAY
125-1302
202-BK
K969-GY
200-BK
T
SLIP
LIMITER
SOLENOID
9X-9482
2
1
LLL
F720-GN
F724-PU
F723-PK
F717-YL
F716-WH
F715-PU
A234-BK
E799-BR
F700-BU
200-BK
ENGINE
113-OR
150-RD
CAT DATA LINK +
CAT DATA LINK -
893-GN
892-BR
150-RD
200-BK
639-WH
997-OR
993-BR
F708-YL
F716-WH
A700-OR
998-BR
403-GN
F709-BU
RR
00 F-10
998-BR
7G-1060
14
15
19
18
20
21
22
6
7
11
12
32
13
4
34
35
26
3
5
17
31
YYY
403-GN
16
40
9
30
36
27
28
39
25
33
37
38
23
8
29
10
2
1
24
F712-GY
F711-GN
200-BK
998-BR
RD-00
419-YL
BK-00
F704-OR
F703-GY
F702-GN
2
1
C
B
A
1
2
998-BR
A
C
B
A
NOTE B
NOTE B
NOTE B
NOTE B
NOTE B
2
1
C
B
A
C
B
A
997-OR
A-6
POSNEG
A
B
POSNEG
RD-00
BK-00
C
BBB
12V BATTERY
3T-5760
C
B
A
12V BATTERY
3T-5760
BBB
C
B
A
RD-00
10
B
C
A
B
C
993-BR
7
1
F737-YL
F737-YL
998-BR
412-BU
COOLANT FLOW SW
3E-6428
BK BK
412-BU
F732-PK
F732-PK WH-18
+12V
GROUND
SIGNAL
BK-18
OR-18
F724-PU
F723-PK
229-BK-14
F737-YL
996-GN
NOTE A
NOTE A
229-BK-14
F710-BR
113-OR
150-RD-14
F709-BU
150-RD-14
E794-YL
E793-BU
893-GN
892-BR
A234-BK
997-OR
993-BR
A700-OR
998-BR
E799-BR
TIMING CAL CONNECTOR
(2 PIN DT PLUG)
F705-PK
F708-YL
F702-GN
F707-WH998-BR
A700-OR
E797-WH
E798-PK
F706-PU
997-OR
993-BR
993-BR
997-OR
E796-GN
996-GN
998-BR
A751-YL
A746-PK
995-BU
999-WH
A747-GY
994-GY
E795-YL
F725-WH
F720-GN
E797-WH
E795-YL
A234-BK
994-GY
A747-GY
F722-OR
999-WH
995-BU
A746-PK
F722-OR
E798-PK
E799-BR
997-OR
997-OR
997-OR
997-OR
997-OR
F720-GN
997-OR
F721-GY
F723-PK
F719-BR
E796-GN
A751-YL
F724-PU
993-BR
F721-GY
F711-GN
F712-GY
F719-BR
F717-YL
A751-YL
F718-BU
E795-YL
993-BR
993-BR
E797-WH
998-BR
997-OR
993-BR
993-BR
F724-PU
993-BR
993-BR
GN-18
YL-18
BACKUP CAM S/T SENSOR
3E-6410
A707-PU
F728-BR
A705-BU
YL-18
GN-18
A708-BR
F729-GN
A706-GY
FUEL TEMP SENSOR
102-2240
ENGINE OIL TEMP SENSOR
106-0735
ENGINE OIL PRESS SENSOR
103-6092
ATMOSPHERIC PRESS SENSOR
103-6093
TURBO OUTLET PRESS SENSOR
103-6091
COOLANT TEMP SENSOR
102-2240
PRIMARY CAM S/T SENSOR
3E-6410
RAIL PRESSURE SENSOR
6V-2485
F723-PK
OR-18
BK-18
SIGNAL
GROUND
+5V
F725-WH
F718-BU
GN-18
F715-PU
F716-WH
F716-WH
F715-PU
F704-OR
F703-GY
F706-PU
F707-WH
F708-YL
F709-BU
F710-BR
F712-GY
F711-GN
F705-PK
F722-OR
F701-BR
WH-18
WH-18
+5V
GROUND
SIGNAL
BK-18
OR-18
998-BR
+5V
F702-GN
GROUND
SIGNAL
YL-18
OR-18
892-BR
893-GN
996-GN
E793-BU
E794-YL
ENGINE
GROUND
F732-PK
A704-GN
28
15
16
+5V
GROUND
SIGNAL
OR-18
CYL HEAD
SOL 2
CYL HEAD
SOL 4
CYL HEAD
SOL 6
CYL HEAD
SOL 8
9
CYL HEAD
SOL 7
CYL HEAD
SOL 5
CYL HEAD
SOL 3
CYL HEAD
SOL 1
F727-BU
E796-GN
E798-PK
40
6
5
4
19
39
10
OR-18
38
37
26
SIGNAL
GROUND
+5V
1
7
9
3
30
36
35
12
17
18
32
13
29
24
33
22
23
8
25
34
20
14
21
A702-PU
A703-BR
F726-YL
27
2
996-GN
A700-OR
F700-BU
GN-18
+5V
GROUND
SIGNAL
YL-18
OR-18
F700-BU
F714-PK
999-WH
F717-YL
150-RD-14
150-RD-14
113-OR
993-BR
WH-18
+5V
GROUND
SIGNAL
BK-18
OR-18
OR-18
BK-18
SIGNAL
GROUND
+12V
WH-18
997-OR
998-BR
HEUI (ADEM II) ECM
105-6122
RAIL PRESSURE
CONTROL VALVE
REF:100-5632
BACKUP S/T SENSOR
-BATTERY
PWM INPUT 2
PWM INPUT 3
F714-PK
994-GY
F713-OR
A747-GY
A708-BR
A707-PU
A706-GY
A705-BU
A704-GN
A703-BR
A702-PU
A701-GY
A701-GY
12
UNUSED
INJECTOR 6
UNUSED
INJECTOR 5
UNUSED
INJECTOR 4
UNUSED
INJECTOR 3
UNUSED
INJECTOR 2
UNUSED
(REF: 9X-8200 FOR
CONNECTOR)
F713-OR
16
INJECTOR 1
15
UNUSED
31
18
INJECTOR 8
A746-PK
6
36
37
22
38
INJECTOR 7
UNUSED
5
11
27
2
28
32
24
21
17
34
39
35
33
EMS:ENGINE ON
CONN
J1
UNUSED
EMS:LOW OIL PRESSURE
INJECTOR COMMON 5&7
CAT DATA LINK +
UNUSED
10
INJECTOR COMMON 2&4
UNUSED
3
9
7
CAT DATA LINK -
START AID SW
14
ATA DATA LINK + (DEV)
20
-BATTERY
CHECK ENGINE LAMP
THROTTLE
FUEL TEMP
26
40
ATA DATA LINK - (DEV)
29
INJECTOR COMMON 1&3
8
1
30
TL BRAKE PRESSURE
25
RS232 DATA LINK Tx
COOLANT TEMP
FAN DISCHARGE PRESS
R. TURBO INLET PRESS
OIL PRESSURE
L. TURBO INLET PRESS
ATMOSPHERIC PRESS
TURBO OUTLET PRESS
RAIL PRESS CTRL RTN
RAIL PRESS CTRL VALVE
3.5A PWM DR & SOL RTN
CONN
J2
PWM 3.5A OUTPUT 2
DEMAND FAN ACTUATOR
UNUSED
COOLANT FLOW SW
4
23
DIAGNOSTIC ENABLE SW
RS232 DATA LINK Rx
J1939 SHIELD GROUND
SPARE/TDC PROBE +
SPARE/TDC PROBE -
ENGINE OVERSPEED
NOT AVAILABLE
UNUSED
THROTTLE LOCK SW -ON
THROTTLE LOCK SW -OFF
EMS:HIGH COOLANT TEMP
MAIN RELAY ON
GRD LVL SHUTDWN (NC)
GRD LVL SHUTDWN (NO)
ANALOG SENSOR RTN
ANALOG SENSOR +5V
DIGITAL SENSOR RTN
DIGITAL SENSOR +8V
+BATTERY DIRECT
+BATTERY DIRECT
11
SPEED/TIMING +12V
31
SPARE
SPEED/TIMING
RAIL PRESSURE
200-BK-14
5
F729-GN
F728-BR
F727-BU
F701-BR
F703-GY
8
T
201-BK
202-BK
5
201-BK
C436-BU
CHARGE
PUMP
FILTER
SW
109-0260
PUMP CASE
DRAIN
FILTER SW
109-0260
13
201-BK
405-GY
201-BK
445-GN
200-BK
4
407-PK
407-PK
200-BK
445-GN
K966-PU
200-BK
311-WH
406-PU
200-BK
1
2
2
1
1
3
1
7
K967-WH
200-BK
C434-YL
RETARDER
202-BK
K970-OR
REVERSE
AUGER SOLE
100-5227
NOTE H
REVERSE
AUGER SW
9D-3721
NOTE H
FORWARD
AUGER SOLE
100-5227
K966-PU
K967-WH
6
C436-BU
F710-BR
165-YL
608-GN
406-PU
3
6
3
12
2
200-BK-14
611-PU-14
15
200-BK
608-GN
5
1
201-BK
NOTE D: COAL BOWL SCRAPER ONLY
11
103-RD
200-BK
K969-GY
K969-GY
EEE
126-PK
13
19
F704-OR
ENGINE OIL TEMP
11
165-YL
604-OR
3
10
7
165-YL
4
F702-GN
T
995-BU
F726-YL
4
AIR SW
8T-9792
EEE
408-WH
201-BK 201-BK
BU
RD
BK
200-BK
201-BK
419-YL
201-BK
WWW
BU
RD
3
1
2
W
W
403-GN
308-YL
GGG
GGG
GGG
GGG
GGG
GGG
GGG
204-BK
202-BK
403-GN
204-BK
GGG
200-BK-12
109-RD-8
BK-18
GGG
GGG
311-WH
608-GN
200-BK
9
202-BK
202-BK
737-GN
735-OR
200-BK
F737-YL
506-PU
200-BK
408-WH
FFF
6
202-BK
5
M
YY
601-GY
8
200-BK
513-OR-14
517-BU-14
516-GN-14
200-BK
200-BK
200-BK
200-BK
F709-BU
6
200-BK
YY
102-RD-14
103-RD
103-RD
103-RD
103-RD
123-WH
101-RD
W
W
601-GY
601-GY
200-BK
BK
L
1
2
2
W
200-BK
602-WH
200-BK
HHH
HHH
103-RD
W
103-RD
614-PU
614-PU
609-YL
202-BK
743-PU
W
204-BK
203-BK
RD-00
RD-00
2
1
L
744-BU
BK
EEE
EEE
EEE
202-BK
K966-PU
K970-OR
202-BK
706-BR
202-BK
202-BK
202-BK
601-GY
606-GY
148-RD
601-GY
202-BK
200-BK
201-BK
C436-BU
200-BK-14
201-BK
201-BK
200-BK
200-BK
200-BK
W
202-BK
202-BK
202-BK
204-BK
204-BK
204-BK
204-BK
204-BK
204-BK
204-BK
200-BK
200-BK
200-BK
W
6
412-BU
608-GN
W
1
2
601-GY
123-WH
W
G
G
W
G
G
XX
W
W
W
W
W
W
W
W
165-YL
7
W
W
GGG
K
K
T
T
GG
TT
W
W
W
W
W
W
W
W
W
W
W
W
W
201-BK
W
W
X
X
X
X
W
W
W
W
W
W
W
W
W
HH
RRR
CCC
HH
HH
T
T
T
200-BK
202-BK
308-YL
202-BK
742-GN
741-YL
740-OR
739-WH
738-BR
109-RD-8
403-GN
204-BK
204-BK
3
304-WH
2
200-BK
1
12
515-GY-14
K970-OR
01
411-PK
200-BK
601-GY
OVERSPEED
HORN
123-9694
601-GY
608-GN
200-BK
2
207-BK
W
W
PP
W
RRR
F729-GN
K
K
204-BK
T
T
T
T
P
200-BK
204-BK
204-BK
204-BK
204-BK
204-BK
204-BK
204-BK
1
203-BK
WW
WW
W
W
124-GN-14
CONTROL GP
(INTERFACE RELAY)
106-9188
BR
W
BK
RD
WH
BU
NOTE B
GY
PK
PU
NOTE B
W
RRR
RRR
202-BK
307-OR
RRR
409-OR
W
306-GN
RRR
F720-GN
X
X
RRR
E793-BU
RRR
E794-YL
200-BK
125-OR-14
202-BK
STOP/TAIL
LAMP CONTROL
7X-1670
RRR
E767-GN
E766-GN
AUG/ELEV
AUGER SW
323-WH
ID CODE 4
TAIL
126-PK
RRR
RRR
2
202-BK
RRR
STOP
RIGHT
LEFT
614-PU
604-OR
640-GN
639-WH
202-BK
K969-GY
3
200-BK
202-BK
TRANSMISSION
2
E766-GN
E767-GN
4
E766-GN
K968-GN
1
E767-GN
606-GY
00
614-PU
604-OR
640-GN
639-WH
605-YL
2
8
614-PU
7
202-BK
123-WH
125-OR-14
202-BK
415-GN
103-RD
201-BK
122-BU
GN
GN
NOTE B
NOTE B
K969-GY
L
K969-GYK969-GY
9
121-RD
1
200-BK
445-GN
165-YL
4
200-BK
2
918-OR
NOTE B
E-10
125-1452
JJ
D-9
ATCH WIRE, CABLE &
COMPONENT
1
8W-3033
9G-0549
C-11
C-10
C-10
B-11
C-11
A-10
A-98W-0323GG
A-94N-6580HH
A-95T-5529TT
FF
A-6/A-9
A-93S-8624MMM
BBB
B-5
2W-8715
9F-4337
8W-6011YY
U
8X-9473GGG
122-6966L
122-5979J
8X-9527K
117-7115H
8C-4764
122-6965
122-5978
122-5977
153-3649
124-3093
B-5
8V-9376
103-5697
101-2747
8W-2208AAA
153-3647
02
CABLE AS.
G
2G-4177
5T-0996
156-9776
5T-9895
120-9288
5T-1561
118-1701
125-3964
124-4826
117-9731
2W-8662KKK
B-5KKK
A-7
C-129G-6259
A-6
5T-1632
E
B-6PPP
A-6
F-7
B-8B
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF
AND XMSN SHIFTER IN NEUTRAL
E-11
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
F-7
E-7
E-4
D-4
D-4
C-8
C-5
B-10
B-10
522-WH-14
513-OR-14
A-9
NNN
B-7
C-6
B-5
B-2
LOC
125-0904
125-0905
XX
WW
6G-5258
PP
KK
EE
CC
AA
WIRE AS.
HARNESS AS.
PART NO.IDENT
HHH
Y
X
W
V
T
R
FFF
P
N
M
F
EEE
CCC
A
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
BLUE
GREEN
BU
GN
RD
WH
OR
YL
PK
BK
BLADE, SPADE, RING,
OR SCREW TERMINAL
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
ELECTRICAL CONNECTION
CONNECTOR
SYMBOL DESCRIPTION
BROWN
PURPLE
GRAY
BLACK
COLORABBREV
PINK
YELLOW
ORANGE
WHITE
RED
BR
PU
GY
413-BR
A552-GN
CONV RETR TEMP
3E-7240
3
4
5
8
9
6
10
2
1
7
LEVER 1
LEVER 2
LEVER 3
LEVER 4
LEVER 5
NEUTRAL
GROUND
GND VERIFY
200-BK
131-8194
RIGHT TURN
PARK LAMP
129-5688
FORWARD
HORN
SOLENOID
7T-9074
105-RD
308-YL
307-OR
307-OR
W
W
SERVICE SET SW
9D-3721
SERVICE CLEAR SW
9D-3721
101-RD-8
304-WH-8
200-BK
423-PU
GN
GY
BR
OR
4
2
3
1
H
L
MOTOR
T
BK
P
B+
GND
BK
WH
1
00
01
00
03
00
00
00
01
02
01
01
00
00
EEE
03
07
A-8
00
00
02
01
00
04
01
01
01
02
8
ATCH
892-BR
04
00
01
00
00
00
893-GN
202-BK
05
126-PK
01
A
02
00
00
00
00
02
01
03
03
EEE
2
A
1
CHG
K965-YL
K964-PU
6
202-BK
A
B
C
D
E
F
G
H
J
ENGINE
SERVICE
CONNECTOR
9W-1951
K965-YL
K964-PU
202-BK
F720-GN
307-OR
409-OR
306-GN
322-GY
737-GN
736-YL
735-OR
734-WH
733-BR
YY
LAMP
7X-2058
601-GY
123-WH
200-BK
IGN
SEND
GRD
200-BK
INJECTOR COMMON 6&8
717-BR
F708-YL
SOLENOIDS (QTY: 8 FOR 3408; 12 FOR 3412)
105-1500
165-YL
506-PU
507-WH
REAR
WASHER
7T-8891
FRONT
WASHER
7T-8891
MOTOR
MOTOR
201-BK
LAMP
7X-2058
LAMP
7X-2058
LAMP
8D-1429
BAT
BASE
7G-9730
BASE
7G-9730
PANEL
LAMP
7N-5876
PANEL
LAMP
7N-5876
200-BK
200-BK
601-GY
601-GY
601-GY
601-GY
200-BK
200-BK
SERVICE
METER
6T-7337
403-GN
5
NOTE: W/O STEERING
SWITCH CONNECT
PLUG WWW TO
RECEPTACLE WWW
K969-GY
K968-GN
APRON
SOLENOID
9X-9482
EEE
M
1
2
W
200-BK
717-BR
200-BK
717-BR
EEE
A519-GN
202-BK
REAR
WIPER
9X-3392
COOLANT TEMP
4W-0483
200-BK
601-GY
126-PK
AIR PRESS
1W-3306
FORWARD
HORN SW
3T-2357
NC
NOC
200-BK
DOOR DOME
LAMP SW
3T-3133
NOTE B
HHH
STOP
LAMP SW
2M-9346
200-BK
F720-GN
602-WH
START AID SW
3T-3453
114-RD
119-PK
F718-BU
BK-18
BK-18
2
FFF
EEE
2
1
604-OR
103-RD
1
BK
BK
2
1
2
W
WW
WW
EEE
WH-18
BK-18
202-BK
408-WH
K970-OR
K966-PU
366-PK123-WH
3
4
HEAD LAMP
DIMMER SW
2H-1855
OPERATOR STATION
OPERATOR STATION
610-OR-14
611-PU-14
601-GY
123-WH
123-WH
441-OR
444-BU
FORWARD
AUGER SW.
9G-9955
123-WH
123-WH
IGN
SEND
GRD
IGN
SEND
GRD
DOME
LAMP
7N-8043
DOME
LAMP SW
8D-2676
201-BK
322-GY
602-WH
200-BK
602-WH
202-BK
716-BU
710-GN
709-OR
704-GY
703-BU
726-BU
725-GN
724-YL
723-OR
722-WH
721-BR
202-BK
715-GN
714-YL
713-OR
712-WH
711-BR
601-GY
708-YL
BACKUP
ALARM SW
6G-4195
505-BU
504-YL
503-BR
712-WH-18
713-OR-18
714-YL-18
715-GN-18
716-BU-18
444-BU
441-OR
445-GN
711-BR-18
321-BR
200-BK
RD
BK
TACH
124-2466
65
4
32
1
(SCRAPER)
9G-9813
BASE
3T-0304
MASTER
LAMP
(SCRAPER)
7N-1996
OPERATOR MONITOR
TEST SW 7N-8008
NOTE B
LAMP
8D-1429
201-BK
204-BK
EEE
EEE
202-BK
200-BK-14
202-BK
706-BR
GN
GY
BR
OR
4
7N-1996
BASE
3T-0304
(TRACTOR)
9G-9813
NOTE B: THE FOLLOWING WIRES MUST BE TWISTED
AT LEAST 1 TURN / 25 MILLIMETERS:
892-BR & 893-GN; E793-BU & E794-YL.
K966-PU
702-OR
124-3092
RETARDER
BRAKE SW
3E-2034
200-BK
7
NN
202-BK
19
AA
165-YL
601-GY
422-YL
204-BK
601-GY
601-GY
450-YL
W
601-GY
503-BR
2
3
1
200-BK
412-BU
119-PK
W
500-BR
118-GY
THROTTLE LOCK
BRAKE PRESSURE
SENSOR
103-6092
5
ARC SUPRRESSOR
106-8704
F709-BU
F709-BU
126-PK-18
324-BU
200-BK
DIFFERENTIAL
LOCK SOLENOID
9X-9482
DIFFERENTIAL
LOCK SW
3T-3132
324-BU
165-YL
2
202-BK
NEUT/RUN SW
8D-2676
ELEV SW
W
W
F708-YL
200-BK-14
200-BK
W
W
SERVICE
BRAKE SW
3E-2034
8
W
200-BK
123-WH
123-WH
4
201-BK
165-YL
T
BK
RD
415-GN
410-WH
2
1
2
1
F719-BR
412-BU
204-BK
422-YL
421-BU
204-BK
423-PU
411-PK
202-BK
165-YL
200-BK
619-GN-14
RADIO
601-GY
W
200-BK
ENGINE OIL SW
101-5459
(CUSH/BAIL)
893-GN
892-BR
K970-OR
200-BK
601-GY
515-GY-14
119-PK
123-WH
FUSE BLOCK
9G-0747
FUSE BLOCK
2S-3747
101-RD
101-RD-10
101-RD-14
101-RD-14
101-RD-10
10A
165-YL
SOLENOIDS
123-WH
RRR
10
22
14
515-GY-14
200-BK-14
200-BK-14
521-YL-14
522-WH-14
F720-GN
307-OR
THERMOSTAT SW
9X-5445
200-BK
200-BK-8
PANEL, DOME,
STOP & TAIL
LAMP BREAKER
9G-9882
117-YL
413-BR
109-RD-4
109-RD-8
109-RD-8
W
112-PU-8
112-PU-10
125-OR-14
FUEL PUMP
10A
200-BK-8
REAR
WIPER SW
3T-6655
FRONT
WIPER SW
3T-6655
RD
RD
200-BK
601-GY
6
RESISTOR
9G-1950
G
307-OR
AIR DRYER
304-WH
BLOWER SW
6P-3236
3
4
5
2
1
516-GN-14
OR
GRN
BLU
BLK
RED
123-WH
123-WH
W
516-GN-14
T
521-YL-14
517-BU-14
BK-18
515-GY-14
124-GN-14
DIAGNOSTIC CONNECTOR
FRONT
WIPER
9X-3392
MAIN
RELAY
3T-0376
101-RD-4
109-RD-4
80
ALT
BREAKER
9S-4693
ATCH
9S-0174
PPW
2
1
15
112-PU-14
124-GN-14
BLOWER
MOTOR
BREAKER
6N-8589
202-BK
54
21
1
HEAD LAMP
BREAKER
3T-2662
-+
SIG
614-PU 600-BR
601-GY
601-GY
601-GY
200-BK
W
SIDE FLOOD
LAMP SW
3T-4405
619-GN-14
102-RD-14
4
3
2
1
117-YL
103-RD
614-PU
609-YL
REAR WIPER10A
EEE
OPERATOR
MONITOR
9X-7801
HHH
YW
2
119-PK
118-GY
RUNNING
LAMP
SW
3T-3826
609-YL
614-PU
614-PU
PANEL
DIMMER
RESISTOR
3T-3123
PANEL
DIMMER SW
4D-1836
103-RD
12
11
10
9
8
7
6
5
4
3
2
1
103-RD
117-YL
103-RD
117-YL
10A SIDE FLOOD LAMPS
HORN
FUSE
3K-8782
118-GY
119-PK
B
W P
L
H
B
B
W P
L
H
B
PANEL LAMP
7N-5876
PANEL LAMP
7N-5876
REFRIGERANT SW
9D-6888
NOTE A
118-GY
Y
SUPPL STER
ENGINE ON
COOL TEMP
COOL FLOW
AIR PR
ALARM
3
W
XX W
W
W
X
X X
W
W
412-BU
W
506-PU
507-WH
35
37
RRR
500-BR
501-GN
502-OR
201-BK
34
33
31
29
27
9
30
21
20
32
18
19
24
23
7
2
25
26
11
13
12
16
15
5
1
3
8
36
28
6
17
4
RRR
173-RD
1
200-BK
103-RD
321-BR
716-BU-18
RRR
RRR
RRR
RRR
RRR
ATCH
B-2
W
201-BK
513-OR-14
7
202-BK
500-BR
501-GN
502-OR
503-BR
504-YL
505-BU
602-WH
200-BK
103-RD
322-GY
K968-GN
2
1
202-BK
743-PU
KEY
BREAKER
9G-9487
PARK BK
NEUTRAL
OPERATOR STATIONOPERATOR STATION
OPERATOR MONITOR
20
19
18
17
16
15
14
13
6
7
4
3
5
201-BK
304-WH-8
506-PU
507-WH
24
19
123-WH
START
RELAY
125-1302
F705-PK
409-OR
9
18
4
14
6
20
BASE
9D-8047
BASE 9D-8047
WH/RD-14
WH/RD-14
BK-14
BK-14
200-BK
25
8
18
ENGINE DIAGNOSTIC SW
9D-3721
3
2 1
TEST
LAMP
CONV TEMP
ENG OIL PR
ALTERNATOR
GROUND
+ BATTERY
10
15
2
1
2
1
2
1
5
4
3
2
1
KEY START SW
9G-7641
FLOOD LAMP SW
8D-2676
BLOWER
9G-8697
BLOWER
9G-8693
10
16
15
9
11
22
1
20
21
14
17
6
23
5
4
2
3
12
10
13
7
6
12
8
5
4
9
1
11
10
2
7
3
101-RD-4
101-RD
119-PK
118-GY
517-BU-14
200-BK-14
103-RD
610-OR-14
608-GN
102-RD-14
502-OR
501-GN
500-BR
608-GN
W
114-RD
102-RD-14
118-GY 505-BU
504-YL
503-BR
15
11
10
17
2
7
5
13
12
3
16
8
19
1
304-WH-8
112-PU
308-YL
304-WH
109-RD
105-RD
F708-YL
F720-GN
302-OR
207-BK
BK-18
415-GN
411-PK
410-WH
417-GY
201-BK
407-PK
F706-PU
F707-WH
412-BU
403-GN
201-BK
408-WH
419-YL
113-OR
FRONT WIPER
TRANSMISSION
10A
10A
10A
10A
10A
10A
10A
118-GY
114-RD
113-OR
W
102-RD-14
119-PK
412-BU
MOTOR
MOTOR
ST
ON
OFF
B
S
C
MM
307-OR
307-OR
FRONT GR 3
FRONT GR 5
GN-18
PK-18
GY-18
BU-18
YL-18
OR-18
9
8
7
6
3
BR-18
WH-18
+ BATTERY
START SW
GROUND
START RELAY
3
2
4
1
OR-18
PU-18
BK-18
GN-18
2
1
5
L
L
310-PU
737-GN
202-BK
735-OR
1
2
1
308-YL
00
GGG
T
2
3
1
4
307-OR
F709-BU
126-PK
737-GN
202-BK
743-PU
736-YL
735-OR
734-WH
733-BR
735-OR
735-OR
737-GN
202-BK
737-GN
202-BK
307-OR
308-YL
306-GN
715-GN-18
A417-WH
307-OR
308-YL
306-GN
445-GN
204-BK
423-PU
421-BU
422-YL
4
7
9
5
6
8
3
2
10
1
714-YL-18
164-3353
FUEL PR
COOL FLOW
COOL TEMP
ALARM
20
LAMP
+ BATTERY
CONV TEMP
ENG OIL PR
ALTERNATOR
GROUND
TEST
1
2
15
14
9
19
17
8
18
4
11
16
13
12
7
6
5
3
10
A
A
A
RRR
444-BU
203-BK
601-GY
A
A
BOWL FLOOD LAMP
9X-1439
C436-BU
FUEL SW
3E-2024
SERVICE
METER
6T-7337
200-BK
403-GN
R
-+
G S
MTRBAT
MOTOR
T
ALT
R
W
608-GN
XXX
BK-18
BK
BK
202-BK
403-GN
CC
201-BK
BK-18
BK-18
NEGPOS NEGPOS
K966-PU
AA
CC
AA
START AID
SOLENOID
7N-7259
720-PU
K969-GY
200-BK
601-GY
W
200-BK
515-GY-14
200-BK-14
516-GN-14
515-GY-14
513-OR-14
200-BK-14
515-GY-14
516-GN-14
517-BU-14
521-YL-14
201-BK
103-RD
W
123-WH
W
W
302-OR
RD-00
RD-00
BK-00
200-BK
200-BK
200-BK
L
K970-OR
TTT
WWW
W
200-BK
TTT
608-GN
200-BK
CONV RETR
SENDER
(TRACTOR)
3E-7259
DOWN SHIFT
SOLENOID
144-6292
TRANSMISSION
SPEED SENSOR
144-0178
165-YL
165-YL
H
L
10
9
4
998-BR
113-OR
W
200-BK
919-GN
173-RD
537-GN
A541-PU
FILTER IND
7
8
T
T
T
GEAR 5
GEAR 4
GEAR 3
GEAR 2
GEAR 1
GROUND
6
5
4
7
TRANSMISSION SW (SCRAPER)
131-5393
2
1
T
200-BK
ST
ON
OFF
B
S
C
R
FRONT GR 2
FRONT GR 1
SYNC SOL
DOWN SOL
16
15
+ BATTERY
3
4
1
REAR GR 1
REAR GR 2
REAR GR 3
REAR GR 4
REAR GR 5
FRONT GR 5
FRONT GR 4
FRONT GR 3
20
19
18
UP SOL
14
8
9
10
11
12
GROUND
SYNC LAMP
N/RUN SW
2
17
13
7
6
5
601-GY
109-RD-8
A
AA
417-GY
ENGINE OIL SW
3E-2026
1818
19 19
2020
COOLANT SW
9X-7088
DIAGNOSTIC CONNECTOR
DISCONNECT SW
7N-0718
423-PU
BASE
3T-0304
423-PU
TRANSMISSION SWITCHING
CONTROL (SCRAPER)
168-4600
NEUTRAL/START
CONTROL
132-3814
101-RD
RESISTOR
6T-2217
2
1
14
13
12
11
CC
AUX START
RECEPTACLE
121-RD-14
321-BR-14
T
BK-8
TTT
204-BK
405-GY
204-BK
308-YL
E
C
B
D
F
E
202-BK-18
742-GN-18
741-YL-18
740-OR-18
739-WH-18
738-BR-18
OPERATOR MONITOR
166-2048
TO
ENGINE
BLOCK
200-BK-12
COOLANT SW
7N-9785
T
J
I
H
G
A
101-RD
LAMP (SCRAPER)
7N-1996
COOLANT SW
8N-1693
17
21
T
T
T
OPERATOR
MONITOR
TEST SW
9D-3721
CONVERTER SW
(SCRAPER)
7N-9560
CONVERTER
SENDER
(SCRAPER)
3E-7259
310-PU
311-WH
310-PU
ALTERNATOR
6N-9294
203-BK
421-BU
202-BK
202-BK
421-BU
321-BR
A417-WH
109-RD
105-RD
START AID
SOLENOID
9G-4365
K
T
BK-18
604-OR
614-PU
RIGHT
STOP/TAIL
LAMP
9X-9600
CONV RETR TEMP
4W-2063
614-PU
604-OR
CCC
EE
CCC
640-GN
203-BK
2
11
CCC
639-WH
CCC
609-YL
619-GN-14
200-BK
TTT
CCC
K
01
200-BK
200-BK
8W-3628
103-RD
604-OR
604-OR
614-PU
3
L
START
AID SW
3T-3453
KEY
START SW
9G-7641
109-RD-8
713-OR-18
T
T
T
RESISTOR
7X-6416
1
12V BATTERY
3T-5760
EEE
128-2432
W
9
PP
10
MOTOR
109-RD
EEE
11
200-BK
200-BK
204-BK
606-GY
605-YL
TURN SIGNALS
EE
200-BK
A-6
608-GN
TTT
TTT
B485-BU
B485-BU
B491-WH
2
202-BK
200-BK
323-WH
121-RD
321-BR
614-PU
604-OR
712-WH-18
308-YL
JJ
PPP
TTT
1
126-PK
E766-GN-20
W
12V BATTERY
3T-5760
200-BK
TTT
TTT
12
EEE
EEE
EEE
MMM
121-RD
200-BK
200-BK
892-BR
893-GN
323-WH
E793-BU
18
1
22
8
13
24
25
16
14
4
12
23
6
5
3
20
19
15
10
7
9
105-RD
306-GN
308-YL
310-PU
121-RD-14
306-GN
121-RD-14
321-BR-14
321-BR-14
GGG
T
GGG
101-RD-8
301-BU
101-RD-8
304-WH-8
BBB
310-PU
311-WH
207-BK
200-BK-12
302-OR
409-OR
307-OR
893-GN
445-GN
445-GN
892-BR
BACKUP
ALARM
123-6449
200-BK-12
109-RD
302-OR
00
R
TT
BK-00
321-BR
421-BU
BK-18
BK-18
U
U
NNP
P
R
R
EEE
EEE
EEEH
HJ
T
J
L
L
L
NNN
GGG
T
T
T
MMM
HH
GG
103-RD
200-BK
711-BR
712-WH
713-OR
714-YL
715-GN
202-BK
716-BU
7
8
10
1
2
3
4
5
9
6
323-WH
321-BR
121-RD
200-BK
200-BK
RD-00
BK-00
16
9
8
K966-PU-20
K968-GN-20
16
9
8
20
19
18
17
16
15
14
9
KEY
BREAKER
9G-9487
ALTERNATOR
BREAKER
2H-1507
LAMP: 7N-5876
INSTRUMENT SW
8D-2676
NOTE E: 200-BK GROUND WIRES ON HARNESSES 'TTT' AND 'VVV'
SHARE SAME CONNECTOR TERMINAL (PIN #5)
BASE: 9G-3057
BK/PK-14
BK-14
BK-18
BK-18
202-BK
202-BK
737-GN
202-BK
2
1
BK-00
307-OR
2
1
40
10
RD-00
FF BBB
445-GN
204-BK
423-PU
421-BU
422-YL
204-BK
204-BK
204-BK
308-YL
310-PU
308-YL
105-RD
204-BK
601-GY
105-RD
744-BU
745-GY
746-PK
423-PU
204-BK
204-BK
421-BU
109-RD-8
109-RD-8
311-WH
207-BK
207-BK
207-BK
304-WH-8
304-WH
302-OR
109-RD
101-RD
RD-00
BK-00
8
12
11
4
2
1
13
5
7
3
6
10
2
BBB
AAA
413-BR
412-BU
407-PK
406-PU
405-GY
403-GN
421-BU
423-PU
422-YL
608-GN
126-PK
14
12
15
11
10
+VS
14
12
15
11
10
W
2
1
308-YL
423-PU
413-BR
412-BU
407-PK
406-PU
405-GY
403-GN
422-YL
A417-WH
2
17
13
7
6
5
4
3
1
2
17
13
7
6
5
4
3
1
445-GN
204-BK
423-PU
421-BU
422-YL
743-PU
736-YL
735-OR
734-WH
733-BR
126-PK
742-GN
741-YL
740-OR
739-WH
738-BR
A417-WH
744-BU
745-GY
746-PK
743-PU
737-GN
736-YL
735-OR
734-WH
733-BR
126-PK
F702-GN
X
STARTER
6V-0890
423-PU
UP SHIFT
SOLENOID
144-6292
ENGINE OIL SW
107-0612
CONV RETR SW
(TRACTOR)
7N-9560
12V BATTERY
3T-5760
12V BATTERY
3T-5760
T
LO BEAM
HEAD LAMP
9X-6874
LO BEAM
HEAD LAMP
9X-6874
W
TRANS SW
(TRACTOR)
118-8471
A
G718-YL
NOTE C: REQUIRES PLUG 131-0462 TO JUMPER C436-BU
TO 201-BK WHEN ATTACHMENT IS NOT INSTALLED.
743-PU
445-GN
422-YL
421-BU
204-BK
KKK
PARKING
BRAKE SW
8T-9792
200-BK
C435-GN
HHH
BK
W
F725-WH
200-BK
311-WH
XX
3
TO
FRAME
2
126-PK-18
L48
SHIFT
LEVER SW
126-7896
WW
2
HHH
A
W
E
E
BBB
GGG
GGG
GGG
GGG
GGG
GGG
1
GGG
STEERING SW
109-4215
GGG
GGG
GGG
FFF
122-BU
310-PU
609-YL
609-YL
122-BU
C436-BU
BK
F708-YL
201-BK
P
B+
GND
CHECK
ENGINE
NOTE J
NOTE J: FOR USE WITH AUGER ONLY, CONNECT HARNESS 145-6652
BETWEEN 3E-9233 AND 153-3649
INDICATOR AS.
123-6381
1
202-BK
2
NOTE
A-6
A-9
A-6
D
B-5
B-6
B-10
D-10
122-5981
122-5980
DB-10P
C-10J
3
F705-PK
DISCONNECT
SWITCH
7N-0718
619-GN-14
A
A/C
CLUTCH
SOLENOID
3E-1906
STARTER
6V-5227
WWW
101-RD-4
EEE
1
K
MM
202-BK
310-PU
EEE
TRANSMISSION
WWW
721-BR-18
722-WH-18
723-OR-18
724-YL-18
725-GN-18
726-BU-18
202-BK-18
E
F
H
D
203-BK
WWW
2
PPP
WWW
GEAR 1
GEAR 2
GEAR 3
GEAR 4
GEAR 5
GROUND
GND VERIFY
10
9
8
7
6
5
4
3
2
+ BATTERY
308-YL
207-BK
993-BR
J
I
G
C
B
A
SIDE FLOOD
LAMP
9X-1439
SIDE FLOOD
LAMP
9X-1439
BK-00
RD-00
RESISTOR
6T-2217
417-GY
201-BK
GROUND
SIGNAL
+V
C
B
A
TO ENG
BLOCK
HI BEAM
HEAD LAMP
9X-7166
HI BEAM
HEAD LAMP
9X-7166
203-BK
W
103-RD
W
609-YL
609-YL
CUTTING
EDGE
FLOOD
LAMP
9X-1439
200-BK
301-BU
NEG POS
NEG POS
V
V
NNN
2
1
W
W
150-RD
EEE
306-GN
T
T
WWW
LL
202-BK
720-PU
704-GY
EE
JJ
F
F F
EEE
EEE
AA
506-PU
507-WH
F705-PK
F701-BR
F706-PU
201-BK
408-WH
419-YL
322-GY
126-PK
122-BU
200-BK
121-RD
608-GN
417-GY
TO
FRAME
G
S
MTR BAT
MOTOR
AUX START
RECEPTACLE
BK-00
RD-00
BK-00
BK-6
BK-00
RD-00
304-WH-8
200-BK-8
200-BK
710-GN
704-GY
703-BU
200-BK
709-OR
726-BU
725-GN
724-YL
723-OR
722-WH
721-BR
711-BR-18
W
614-PU
2
1
2
1
F707-WH
F725-WH
F706-PU
F707-WH
COOLANT
SENDER
6N-5926
710-GN
EEE
W
EEE
BK-18
BK-18
B-10
F722-OR
EEE
412-BU
F720-GN
CC
1
407-PK
E793-BU
441-OR
444-BU
2
1
KK
202-BK
202-BK
202-BK
709-OR
703-BU
704-GY
203-BK
417-GY
201-BK
201-BK
WWW
E794-YL
EEE
412-BU
F714-PK
EEE
F713-OR
CCC
CCC
306-GN
308-YL
307-OR
WWW
A
CCC
200-BK
450-YL
522-WH-14
513-OR-14
W
513-OR-14
522-WH-14
521-YL-14
200-BK-14
TACHOMETER
3E-7886
F707-WH
CCC
611-PU-14
ARC
SUPRESSOR
106-8704
323-WH
614-PU
619-GN-14
AAA
A
2
1
323-WH
125-OR
125-OR-14
150-RD
C434-YL
WWW
611-PU-14
A
200-BK
200-BK
WWW
WWW
2
1
A
EEE
516-GN-14
LEFT
STOP/TAIL
LAMP
9X-9600
CCCA
200-BK
997-OR
203-BK
609-YL
611-PU-14
610-OR-14
F701-BR
E799-BR
KKK
ALTERNATOR
3E-7577 STD
100-5047 ATCH
T
F706-PU
F705-PK
F707-WH
F706-PU
F705-PK
T
EEE
366-PK
207-BK
619-GN-14
366-PK
BK-18
200-BK-14
CCC
KK
CCC
W
409-OR
306-GN
517-BU-14
515-GY-14
200-BK-8
109-RD-4
450-YL
441-OR
444-BU
F708-YL
F720-GN
412-BU
403-GN
201-BK
F707-WH
F706-PU
407-PK
F705-PK
101-RD-4
304-WH-8
302-OR
2
1
201-BK
407-PK
109-RD-4
BK-4
403-GN
BK-18
BK-18
2
1
998-BR
AIR DRYER
2G-2159
412-BU
122-BU
200-BK
310-PU
610-OR-14
ENGINE CNTL
BREAKER
6N-8589
START AID
RELAY
3E-5239
145-7041
ALT
+
R
START AID RELAY
ACTION ALARM
ACTION
MASTER ACTION
LAMP (TRACTOR)
MASTER ACTION
ACTION ALARM
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAUGE
GAUGE (TRACTOR)
GAUGE (TRACTOR)
GAUGE
GAUGES
GAUGE (SCRAPER)
MACHINE ENGINE
TO MACHINE STRUCTURE
CONN 1
CONN 2
CONN 3
CONN 4
CONN 5
CONN 6
CONN 7
CONN 8
CONN 10
CONN 9
CONN 11
CONN 12 CONN 13 CONN 14
CONN 15
CONN 16
CONN 17
CONN 18
CONN 19
CONN 20
CONN 21
CONN 22
CONN 23
CONN 24
CONN 25
CONN 26
CONN 27
CONN 28
CONN 29
CONN 30
CONN 31
CONN 32
CONN 33
CONN 34
CONN 35
CONN 36
CONN 37
CONN 38
CONN 39
CONN 40
CONN 41
CONN 42
CONN 43
CONN 44
CONN 45
CONN 46
CONN 47
CONN 48
CONN 49
CONN 50
CONN 51
CONN 52
CONN 53
SENSOR
CONN 54
ALL DASHED LINES ARE ATTACHMENTS.
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.
MONITOR CIRCUIT (EMS).
PANEL LAMP CIRCUIT.
WIPER/WASHER CIRCUIT.
HEATER AND AIR CONDITIONER CIRCUIT.
GROUND CIRCUIT.
ENGINE CONTROL CIRCUIT.
TURN SIGNAL CIRCUIT.
START AID CIRCUIT.
TRANSMISSION CONTROL CIRCUIT.
E91098