Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Power Distribution Circuits
Ground Circuits
101 RD
BATTERY
214 BK
ANTISPIN CODING PIN 18
102 BU
HEAD LAMP
215 BK
ANTISPIN CODING PIN 19
103 YL
DOME/DASH LAMP/PARK. TAIL LAMP
216 BK
ANTISPIN CODING PIN 20
104 YL
TORQUE CONVERTER SWITCH
217 BK
TRANSMISSION CODING PIN 17
105 BR
KEY SWITCH
218 BK
TRANSMISSION CODING PIN 18
106 WH
MAIN POWER RELAY/INPUT
219 BK
TRANSMISSION CODING PIN 19
107 WH
ENGINE SHUT DOWN/AUTO FIRE CONTROL
220 BK
ENGINE OIL PRESSURE SENSOR
108 BU
MISC WIPER, DOME LAMP. CIGAR LIGHTER
221 BK
ENGINE COOLANT TEMP SENSOR
109 OR
ALTERNATOR
222 BK
MONITOR PANEL CODING 1
110 GN
WINDSHIELD WIPER SW. (RIGHT)
223 BK
MONITOR PANEL CODING 2
111 YL
WINDSHIELD WIPER SW. (LEFT)
224 BK
ENGLISH/METRIC CODING
112 PU
MAIN POWER RELAY/OUTPUT
226 BK
HYD OIL TEMP SENSOR
113 OR
OPERATOR MONITOR PANEL
227 BK
TRANSMISSION CODING PIN 37
114 GN
WARNING HORN (FORWARD)
228 BK
FUEL LEVEL SENDER
115 PK
FLOOD LAMP (FRONT)
230 BK
TMC ACTUATOR GROUND
116 BR
FLOOD LAMP (REAR)-(SIDE ON D8.D9,D10,D11)
231 BK
TRANSMISSION SWITCH
117 YL
FLOOD LAMP (SIDE)
232 BK
ENGINE SPEED CONTROL SOLENOID GROUND
118 GY
WINDSHIELD WIPER SW. (FRONT)
233 BK
ENGINE UNDERSPEED CONTROL-PROPORTIONAL SOL
119 PK
WINDSHIELD WIPER SW. (REAR)
234 BK
ENGINE SPEED CONTROL SOLENOID GROUND
120 YL
CONVERTER (24 V to 12 V)
236 BK
TRANSMISSION CODING PIN 36
121 YL
BACKUP ALARM/LAMP
240 BK
ENGINE SPEED CONTROL
122 BU
AIR DRYER
241 BK
OPERATOR MON PANEL TIME DELAY PIN 3
123 WH
GAUGES (SERVICE METER, TORQUE CONV SOLENOID)
242 BK
OPERATOR MON PANEL TIME DELAY PIN 4
124 GN
AIR CONDITIONER
243 BK
OPERATOR MON PANEL TIME DELAY PIN 5
125 OR
FUEL TRANSFER PUMP
244 BK
OPERATOR MON PANEL TIME DELAY PIN 6
126 PK
TRANSMISSION CONTROL
250 BK
PAYLOAD MONITOR-CUSTOMER GROUND
127 OR
CAB FLOOD LAMP
251 BK
PAYLOAD MONITOR-SYSTEM GROUND
128 PK
KICKOUT SOLENOID SW.
252 BK
PAYLOAD MONITOR-DISPLAY TO CONTROL
129 BU
CIGAR LIGHTER
256 BK
LUC HARNESS CODE 0
130 GN
STOP LAMP AUX FLOODS
257 BK
LUC HARNESS CODE 1
131 BR
FIRE CONTROL-OPERATOR WARNING
258 BK
LUC HARNESS CODE 2
132 PK
ANTISPIN CONTROL
259 BK
LUC HARNESS CODE 3
133 OR
MAIN POWER RELAY DIAG RES TO DIAGNOSTIC
260 BK
TECH ID CODE 0
134 PK
PROGRAMMED ELECTRONIC ENG CONT LOGIC
261 BK
TECH ID CODE 1
135 BU
AM/FM RADIO
262 BK
TECH ID CODE 2
136 GN
SUPPLEMENTAL STEERING
263 BK
TECH ID CODE 3
137 OR
STEERING MOTOR FUSE-SMALL TRUCKS
Basic Machine Circuits
138 GN
AUTOMATIC LUBE PUMP/PAYLOAD MONITOR
301 BU
STARTER NO. 1 SOLENOID TO RESISTOR
139 OR
BRAKE RELEASE RELAY
302 OR
STARTER NO.1 RESISTOR TO DIAGNOSTIC
140 BU
BRAKE RELEASE SWITCH
304 WH
STARTER RELAY NO.1 OUTPUT
141 PK
AUXILIARY HEATER/DEFROSTER (FRONT)
305 BU
KEY SWITCH TO ALARM HORN
142 BU
FAST DUMP SOLENOID
306 GN
STARTER RELAY COIl/NEUTRAL START SW. OR KEY SW.
143 BK
TRANSMISSION DISCONNECT SWITCH
307 OR
KEY SW. TO NEUTRAL START SW.
144 GN
FOG LAMP/BEACON
308 YL
MAIN POWER RELAY COIL
145 BU
DUAL HP SOLENOID SWITCH
309 GY
ALTERNATOR REGULATOR TERM
146 GY
ACCESSORY SWITCH 1
310 PU
ETHER SW. TO ETHER SOLENOID
147 PU
ACCESSORY SWITCH 2
311 WH
ETHER SOLENOID TO TEMPERATURE SW.
148 WH
A/C SWITCH
312 PK
STARTER NO.2 SOLENOID TO RESISTOR
149 PU
FLOODLAMP (FRONT ATTACHMENT)
313 GY
STARTER NO.2 RESISTOR TO DIAGNOSTIC
150 OR
FLOODLAMP (REAR ATTACHMENT)
314 PU
STARTER RELAY NO.2 OUTPUT
151 GN
DEFROSTER
315 GN
START AID BREAKER TO START AID RELAY
152 BU
AUX. WIPER SWITCH
316 PK
CANE TO ELEVATOR NEUTRAL START SW. JUMPER
153 WH
3 PT. HITCH CONTROL
317 YL
START AID RELAY TO START AID SOLENOID
154 WH
AIR CONDITIONER
320 OR
HORN RELAY COIL TO SWITCH
156 YL
CB RADIO
321 BR
BACKUP ALARM/LAMP/TRAVEL ALARM
157 YL
TURN FUSE TO HAZARD SWITCH
322 GY
WARNING HORN (FORWARD)
158 BR
B+ TO CONDENSOR RELAY CONTACT
323 WH
FUEL TRANSFER PUMP POWER
159 BU
WIPER MOTOR-RIGHT
324 BU
DIFFERENTIAL LOCKUP SOLENOID
160 PU
WIPER MOTOR-LEFT
325 PK
FUEL PUMP RELAY OIL PRESSURE SW.
161 PK
HARZARD FUSE TO HAZARD SWITCH
326 PU
KEY SWITCH "C" TERMINAL
162 YL
AUXILIARY HYDRAULIC LEFT
327 PK
SHUTDOWN SOLENOID
163 WH
AUXILIARY HYDRAULIC RIGHT/SWING
328 OR
SHUTDOWN MODULE "OFF"
165 YL
DIFFERENTIAL LOCK/APRON SOLENOID
329 YL
FUEL PUMP TO SWITCH
167 OR
LOCKUP CLUTCH
330 YL
NEUTRAL START RELAY COIL
168 GN
REFUELING PUMP
331 OR
BACK-UP ALARM RELAY COIL
169 PK
BLADE CUSHION
332 BU
SHUTDOWN SWITCH TO SHUTDOWN CONTROL
170 YL
BLADE FLOAT
333 GN
SCRAPER KEY SW. "R" TERMINAL
171 GN
DOZER FLOAT
Monitoring Circuits
172 GN
HAZARD FUSE TO FLASHER
400 GN
SERVICE METER SWITCH
173 YL
TURN FUSE TO FLASHER
401 BU
HYD OIL TEMP GAUGE SENSOR B+
174 PK
CUSTOMER ADD-ONS
402 YL
COOLANT TEMP GAUGE SENSOR B+
175 PK
TRAILER TURN/HAZARD
403 GN
ALTERNATOR (R) TERMINAL
176 YL
CUSTOMER ADD-ONS
404 YL
OPERATOR MON PANEL HYDRAULIC OIL TEMP
176 OR
CRANKCASE GUARD - PUMP MOTOR
405 GY
OPERATOR MON PANEL OIL PRESS. (LOW SETTING)
177 OR
MAIN BREAKER
406 PU
OPERATOR MON PANEL COOLANT TEMP
178 GN
MAIN BREAKER
407 PK
OPERATOR MON PANEL CONV/RETARDER OIL TEMP
180 GN
DUAL H.P. BREAKER
408 WH
OPERATOR MON PANEL BRAKE PRESS. (AIR)
181 GY
ENGINE SPEED CONTROL- +BATTERY
409 OR
OPERATOR MON PANEL NEUTRAL
182 PU
ENGINE UNDERSPEED CONTROL
410 WH
OPERATOR MON PANEL FAULT ALARM
Ground Circuits
411 PK
OPERATOR MON PANEL MASTER FAULT LAMP
200 BK
MAIN CHASSIS
412 BU
OPERATOR MON PANEL COOLANT FLOW
201 BK
OPERATOR MONITOR PANEL
413 BR
OPERATOR MON PANEL FUEL PRESS.
202 BK TRANSMISSION CONTROL 414 PK OPERATOR MON PANEL LOW FUEL
203 BK CHASSIS DIAGNOSTIC 415 GN OPERATOR MON PANEL TEST SW.
204 BK
OPERATOR MONITOR PANEL (SCRAPER)
416 OR
SECONDARY STEERING SW.
205 BK
INSTRUMENT
417 GY
PRIMARY STEERING SW.
206 BK
BATTERY SIDE OF DISCONNECT
418 WH
OPERATOR MON PANEL OIL PRESS. (HIGH SETTING)
207 BK
STARTER DIAGNOSITC
419 YL
OPERATOR MON PANEL PARKING BRAKE
208 BK
TRAILER CONNECTOR (GROUND)
420 OR
OPERATOR MON PANEL FUEL FILTER/LOW
ACCUM PRESS.
209 BK
FIRE SUPPRESSION SYSTEM
421 BU
OPERATOR MON PANEL FAULT LAMP (SCRAPER)
210 BK
CONVERTER OUTPUT (24/12 VOLT)
422 YL
OPERATOR MON PANEL WARNING HORN (SCRAPER)
211 BK
DISCONNECT DIAGNOSTIC RESISTOR
423 PU
OPERATOR MON PANEL TESTSW. (SCRAPER)
212 BK
ANTISPIN CODING PIN 16
213 BK
ANTISPIN CODING PIN 17
SENR3626
February 1988
631E Wheel Tractor-Scraper
Electrical System
(With Neutral/Start Control)
TRACTOR
1AB644-UP
SCRAPER
1BB1-UP
©
1988 Caterpillar
All Rights Reserved
Printed in U.S.A.
Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Monitoring Circuits Accessory Circuits
424 GY OPERATOR MON PANEL POWER TRAIN TEMP 524 BU WINDSHIELD WIPER-LEFT (LOW)
425 PK OPERATOR MON PANEL POWER TRAIN OIL LEVEL 525 GY WINDSHIELD WIPER-LEFT (HIGH)
426 BR OPERATOR MON PANEL POWER TRAIN OIL FILTER 526 YL WINDSHIELD WIPER-RIGHT (PARK)
427 GN
OPERATOR MON PANEL POWER TRAIN OIL FILTER
JUMPER
527 GN WINDSHIELD WIPER-RIGHT (LOW)
428 OR OPERATOR MON PANEL TRANSMISSION OIL TEMP 528 PK WINDSHIELD WIPER-RIGHT (HIGH)
429 YL OPERATOR MON PANEL BRAKE OIL TEMP 529 WH WINDSHIELD WASHER-LEFT
430 BU OPERATOR MON PANEL AIR FILTER 530 OR WINDSHIELD WASHER-RIGHT
431 GN OPERATOR MON PANEL LOW TRANSFER PUMP PRESS. 531 WH FIRE WARNING HORN
432 PK OPERATOR MON PANEL BRAKE PRESS. (OIL) 532 WH FIRE WARNING LAMP
433 BU OPERATOR MON PANEL BRAKE PRESS. (OIL) JUMPER 533 OR HEAT SENSOR/TEST SW.
434 BU OPERATOR MON PANEL POWER TRAIN TEMP JUMPER 534 WH HEAT SENSOR/TEST SW.
435 YL OPERATOR MON PANEL POWER TRAIN TEMP JUMPER 535 BU WINDSHIELD SW. TO WIPER SW.
436 OR
OPERATOR MON PANEL POWER TRAIN OIL FILTER
JUMPER
536 WH HAZARD SWITCH TO TURN SWITCH
437 BR
OPERATOR MON PANEL FUEL LEVEL TO FUEL FILTER
JUMPER
537 GR TURN SIGNAL SW. TO FLASHER
438 YL OPERATOR MON PANEL COOLANT TEMP JUMPER 538 BR HAZARD INDICATOR
439 YL LAMP INDICATOR 539 BU TURN SIGNAL INDICATOR BASIC/RIGHT
440 BR AIR PRESSURE GAUGE 540 WH TURN SIGNAL INDICATOR LEFT
441 OR ENGINE COOLANT TEMP GAUGE 541 GN ACCESSORY 1
442 GY HYDRAULIC SYSTEM TEMP GAUGE 542 BU ACCESSORY 2
443 YL POWER TRAIN TEMP GAUGE 543 BR TRAILER CONNECTOR (TAIL LAMP)
444 BU CONV/RETARDER OIL TEMP GAUGE (TRACTOR) 544 RD TRAILER CONNECTOR (STOP LAMP)
445 GN CONV/RETARDER OIL TEMP GAUGE (SCRAPER) 545 BU TOGGLE SW. TO BUTTON:MOMENTARY TILT ENABLE
446 PU BRAKE OIL TEMPERATURE GAUGE 546 BU AUX HYDRAULIC-ROTATE CLOCKWISE
447 PK FUEL LEVEL GAUGE 547 OR AUX HYDRAULIC-ROTATE COUNTER-CLOCKWISE
448 WH AIR PRESSURE GAUGE 548 GY AUX HYDRAULIC-OPEN
449 BU SPEEDOMETER SENDER (SIGNAL NO. 1) 549 PK AUX HYDRAULIC-CLOSE
450 YL TACHOMETER SENDER (+) 550 OR AUX HYDRAULIC LEFT-DISCONNECT TO SW.
451 BR TACHOMETER SENDER (-) 551 YL AUX HYDRAULIC RIGHT-DISCONNECT TO SW.
452 PU TORQUECONVERTER 552 WH FOUR WHEEL DRIVE SOLENOID
453 PK SECONDARY STEERING FAULT LAMP 553 YL PITCH SOLEOID TO TRIGGER SW.-DUAL TILT
454 GN RETARDER INDICATOR LAMP 554 PK MOMENTARY SW. TO SINGLE TILT SOL.-DUAL TILT
455 YL CONVERTER TEMP SW. TO TIME DELAY 555 OR TRIGGER SW. TO TOGGLE-DUAL TILT
456 BR MONITOR PANEL PTO 556 WH DIFFERENTIAL LOCK
457 PU MONITOR PANEL GROUND SPEED SENDER 557 YL TRAILER CONNECTOR (LEFT TURN/HAZARD)
458 PK MONITOR PANEL +V 558 GN TRAILER CONNECTOR (RIGHT TURN/HAZARD)
459 PK MONITOR PANEL IMPLEMENT POSITION 559 YL AUTOLUBE SOLENOID
460 BU MONITOR PANEL PROGRAM PIN 560 GN HALON PRESS. SW./HALON PRESS. SW.
461 OR OPERATOR PANEL BRAKE AIR PRESS. JUMPER 561 BU HALON PRESS. SW./NITROGEN PRESS. SW.
462 YL STEERING MOTOR INDICATOR 562 YL NITROGEN PRESS. SW./NITROGEN PRESS. SW.
463 YL SENSOR PRESENT 563 PU NITROGEN PRESS. SW./ FIRE MONITOR
464 GY MONITOR PANEL ENGINE OIL PRESSURE SENSOR 564 GY REAR WIPER INTERRUPT SW. TO WIPER SW.
465 OR LOW CHARGE PRESSURE WARNING 565 PU TOGGLE SW. TO BUTTON:MOMENTARY TILT DISABLE
466 WH MONITOR PANEL STEERING OIL TEMPERATURE 566 YL CONDENSOR RELAY COIL TO THERMOSTAT SW.
467 WH SYSTEM FAULT (HYDRST) 567 WH A/C SWITCH JUMPER
468 YL BRAKE OIL CIRCULATION JUMPER 568 GN WARNING BUZZER TO DIODES
469 GN FUEL LEVEL SENDER B+ 569 PK A/C SWITCH JUMPER NO.2
470 PU CANE SWITCH NEUTRAL 570 BU BLADE CUSHION SOLENOID
471 PK TRANSMISSION NEUTRAL TO PARKING BRAKE 571 OR DOZER FLOAT SOLENOID/BUCKET
472 OR PARKING BRAKE SW TO OVERSTROKE SW. 572 PU BLADE FLOAT LIMIT SW. NO.1
473 GY OVERSTROKE SW. TO OVERSTROKE SW. 573 GN BLADE FLOAT LIMIT SW. NO.2
474 WH OVERSTROKE SW. TO OVERSTROKE SW. 574 WH BLADE FLOAT SOLENOID
475 BR OVERSTROKE SW. TO TRAILING UNIT 575 YL WINDSHIELD WIPER-AUX (PARK)
476 BU CONTROL LEVER LOCK INDICATOR 576 PK WINDSHIELD WIPER-AUX (LOW)
477 YL SPEEDOMETER SENDER (SIGNAL NO. 2) 577 PU WINDSHIELD WIPER-AUX (HIGH)
478 GY PRESS. SW. TO RED LAMP-IMPACT RIPPER 578 BU WINDSHIELD WASHER-AUX
479 BU PRESS. SW. TO GREEN LAMP-IMPACT RIPPER 579 BR A/C BLOWER MOTOR NO.1
480 PK NEUTRAL-CST TO AWD 580 OR A/C BLOWER MOTOR NO.2
481 GN CONV TEMP SW. TO BRAKE OIL TEMP SW. 581 GY LEFT REAR TURN/HAZARD
483 BR BRAKE FLUID LEVEL 582 PK RIGHT REAR TURN/HAZARD
464 YL PRIMARY STEERING LAMP 583 OR A/C BLOWER TO BLOWER BREAKER
485 YL OPERATOR MON PANEL ALL WHEEL DRIVE FAULT 584 YL WIPER SWITCH JUMPER
A400 PK FUEL PRESSURE SENDER 585 YL AUX HYDRAULIC-OPEN
A402 BU COOLANT PRESSURE SENDER 586 BR AUX HYDRAULIC-CLOSE
A417 WH EMS SCRAPER TRANSMISSION
Lighting Circuits
Accessory Circuits
600 BR DASH BASIC
500 BR WINDSHIELD WIPER - FRONT (PARK) 601 GY DASH HIGH
501 GN WINDSHIELD WIPER - FRONT (LOW) 602 WH DOME LAMP
502 OR WINDSHIELD WIPER - FRONT (HIGH) 603 PK ROTARY BEACON
503 BR WINDSHIELD WIPER - REAR (PARK) 604 OR STOP LAMP
504 YL WINDSHIELD WIPER - REAR (LOW) 605 YL TURN-LEFT
505 BU WINDSHIELD WIPER - REAR (HIGH) 606 GY TURN-RIGHT
506 PU WINDSHIELD WASHER - FRONT 607 PK FLOOD-FRONT
507 WH WINDSHIELD WASHER - REAR 608 GN FLOOD-REAR
508 PU RADIO SPEAKER-LEFT 609 YL FLOOD-SIDE
509 WH RADIO SPEAKER-LEFT (COMMON) 610 OR HEAD LAMP BASIC
510 YL WINDSHIELD WASHER-PRIMER 611 PU HEAD LAMP HIGH
511 BR RADIO SPEAKER-RIGHT 612 GY BACKUP
512 GN RADIO SPEAKER-RIGHT (COMMON) 613 PK LICENSE PLATE
513 OR
AIR CONDITIONER COMPRESSOR/REFRIGERANT
PRESS. SW.
614 PU PARK/TAIL/DASH
514 PU AIR CONDITIONER CONDENSOR MOTOR 615 YL CAB FLOOD/ROPS
515 GY BLOWER MOTOR (HIGH) 616 BU BUCKET FLOOD/BOOM FLOOD
516 GN BLOWER MOTOR (MEDIUM) 617 BR TAIL/POSITION LAMP-LEFT (ROADING PACKAGE)
517 BU BLOWER MOTOR (LOW) 618 YL TAIL/POSITION LAMP-RIGHT (ROADING PACKAGE)
518 OR HAZARD FLASHER TO SWITCH 619 GR HEAD LAMP LOW
519 PK THERMOSTAT TO REFRIGERANT PRESS. SW. 620 WH FLOOD-FRONT (ENGINE FLOOD LAMP)
520 WH
OPERA TOR AIR CONDITIONER SWITCH TO
THERMOSTAT/FUSE
621 GY FLOODLAMP INDICATOR LAMP
521 YL AIR COND SW. TO REFRIGERANT SWITCH 622 PU FLOODLAMP 3 WAY SWITCH JUMPER
522 WH AIR COND CLUTCH TO THERMOSTAT SW. 623 BU FLOODLAMP 3 WAY SWITCH JUMPER
523 BR WINDSHIELD WIPER-LEFT (PARK) 624 YL FLOOD LAMP BOWL
625 BK COURTESY LAMP
626 BU DASH DIMMER
627 YL FOG LAMP
628 PK RIGHT TURN DASH INDICATOR
629 PK AUX HEAD LAMP
Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Lighting Circuits Control Circuits
630 GY FLOOD REAR (ATTACH) 791 PK ENGINE SPEED CONTROL-LOW SPEED SOLENOID
631 GY FOG LAMP-RIGHT 792 OR UNDERSPEED PROPORTIONAL SOLENOID
632 WH FOG LAMP-LEFT 793 YL ENGINE SPEED CONTROL-LOW PRESSURE SWITCH
633 BU ATTACH LIGHTING CIRCUIT 794 YL PAYLOAD MONITOR TRANSMISSION PICKUP
634 WH HEAD LAMP SW TO WORK/HEAD LAMP JUMPER 795 YL DUAL kW SOLENOID
635 BR TURN SIGNAL COMMON 798 GN FAST DUMP SW. TO 4TH FUNCTION SW.
635 BU PAYLOAD MONITOR RED LIGHT 799 WH PAYLOAD MONITOR SENSOR POWER
636 GN PAYLOAD MONITOR GREEN LIGHT 800 BU AUTOMATIC MODE-LOCKUP CLUTCH
637 GN LOCKUP CLUTCH LAMP 801 PK LUBE SOLENOID
Control Circuits
802 YL LUBE PRESSURE SWITCH
700 PK ANTISPIN TEST SWITCH 803 BU AUTO FIRE SYSTEM SWITCH POWER
701 OR TRANSMISSION LOCKUP CLUTCH SOL (SCRAPER) 804 GN AUTO FIRE BRAKE SWITCH
702 OR TRANSMISSION BRAKE SWITCH JUMPER 805 PK AUTO FIRE BRAKE SWITCH
703 BU TRANSMISSION UP SOLENOID 806 GY AUTO FIRE DISCHARGE SWITCH
704 GY TRANSMISSION DOWN SOLENOID 807 BR AUTO FIRE NITROGEN SWITCH TO CONTROL
705 PK TRANSMISSION LOCKUP CLUTCH SOL BASIC 808 PU AUTO FIRE NITROGEN SW. TO NITROGEN SW.
706 BR TRANSMISSION RETARDER SWITCH 809 GN AUTO FIRE SYSTEM WARNING CKT.
707 PU TRANSMISSION BED RAISE SWITCH 810 BU AUTO FIRE SYSTEM FAILURE CKT.
708 YL TRANSMISSION HOLD SWITCH 811 GY FIRE TEST CKT.
709 OR TRANSMISSION PICKUP POWER 812 GN FIRE NITROGEN ACTUATION SOLENOID
710 GN TRANSMISSION SPEED PICKUP SIGNAL 813 PK AUTO FIRE AGENT CYLINDER SW. TO NITROGEN SW.
711 BR TRANSMISSION LEVER CODE 1 814 YL AUTO FIRE AGENT SW. TO AGENT SW.
712 WH TRANSMISSION LEVER CODE 2 815 WH LOCKUP CLUTCH TRANSMISSION PRESSURE SW.
713 OR TRANSMISSION LEVER CODE 3 816 BR AUTO FIRE ALARM
714 YL TRANSMISSION LEVER CODE 4 817 WH BACKUP ALARM RELAY
715 GN TRANSMISSION LEVER CODE 5 818 BR PAYLOAD MONITOR SERIAL DATA (TX)
716 BU TRANSMISSION LEVER CODE 6 819 GY PAYLOAD MONITOR SERIAL DATA (RX)
717 BR BOWL APRON SOL FLOAT/VCTC SOL 820 BU PAYLOAD MONITOR TRANSMIT KEY
720 PU TRANSMISSION BRAKE SW. 821 YL LOCKUP CLUTCH PRESSURE SENSOR RETURN
721 BR TRANSMISSION GEAR CODE 1 822 PK FORWARD HYDRST SYNC SOLENOID
722 WH TRANSMISSION GEAR CODE 2 838 YL FRONT GUARD MOTOR
723 OR TRANSMISSION GEAR CODE 3 839 BU FRONT GUARD MOTOR
724 YL TRANSMISSION GEAR CODE 4 856 GN ENGINE UNDERSPEED CONTROL-THROTTLE SWITCH
725 GN TRANSMISSION GEAR CODE 5 857 OR SWING ORIFICE SOLENOID (EXCAVATOR)
726 BU TRANSMISSION GEAR CODE 6 858 GY PAYLOAD MONITOR RIGHT FRONT SIGNAL
727 GN STEERING MOTOR RELAY 859 YL PAYLOAD MONITOR LEFT FRONT SIGNAL
728 BU SUPPLEMENTAL STEERING CONTROL SWITCH 860 PK PAYLOAD MONITOR RIGHT REAR SIGNAL
729 PU EJECTOR RETURN SOLENOID 861 PU PAYLOAD MONITOR LEFT REAR SIGNAL
730 OR EJECTOR RETURN DETENTED SOLNOID 863 BU PAYLOAD MONITOR TRANSMIT LCD OUT
731 BU EJECTOREJECT DETENTED SOLENOID 864 BR PAYLOAD MONITOR CLOCK LCD OUT
732 BR EJECTOR KICKOUT ON RETURN SOLENOID 865 GY PAYLOAD MONITOR LATCH LCD OUT
733 BR SWITCHING GEAR CODE 1 FRONT 866 PK PAYLOAD MONITOR TEST/SET
734 WH SWITCHING GEAR CODE 2 FRONT 867 PU PAYLOAD MONITOR MODE
735 OR SWITCHING GEAR CODE 3 FRONT 870 OR 3 POINT HITCH CONTROL-DOWN SOLENOID
736 YL SWITCHING GEAR CODE 4 FRONT 871 BU 3 POINT HITCH CONTROL-SOLENOID COMMON
737 GN SWITCHING GEAR CODE 5 FRONT 872 YL 3 POINT HITCH CONTROL-UP SOLENOID
738 BR SWITCHING GEAR CODE 1 REAR 873 WH FRONT GUARD POWER
739 WH SWITCHING GEAR CODE 2 REAR 874 GY REAR GUARD POWER
740 OR SWITCHING GEAR CODE 3 REAR 878 OR DISPLACEMENT SOLENOID
741 YL SWITCHING GEAR CODE 4 REAR 888 PK 3 POINT HITCH CONTROL-HITCH POSITION
742 GN SWITCHING GEAR CODE 5 REAR 889 GY 3 POINT HITCH CONTROL-HANDLE POSITION
743 PU SWITCHING NEUTRAL/RUN SW. 890 PU 3 POINT HITCH CONTROL-HOOKUP SWITCH
744 BU SWITCHING UP SOLENOID 896 GN NEUTRAL START CONTOL TO AUGER MASTER SW.
745 GY SWITCHING DOWN SOLENOID 897 GN REAR GUARD MOTOR
746 PK SWITCHING SYNCHRONIZE SOLENOID 898 PU REAR GUARD MOTOR
747 WH SWITCHING NO SYNCHRONIZE SOLENOID 904 WH IMPACTOR SWITCH TO RELAY CONTACT
748 BR SUPPLEMENTAL STEERING DUMP VALVE (MOTOR GR.) 905 PK IMPACTOR SWITCH TO RELAY CONTROL
749 OR
SUPPLEMENTAL STEERING GOVERNOR SWITCH
(MOTOR GR.)
906 PU RELAY CONTACT TO DRAWBAR PRESSURE SWITCH
750 GN EJECTOR KICKOUT 907 YL TRIGGER SWITCH TO HOUR METER
751 GN COUNTERSHAFT SHIFT SOLENOID NO.1 OR 3 908 GY DRAWBAR PRESS. SW. TO RIPPER FRAME PRESS. SW.
752 YL COUNTERSHAFT SHIFT SOLENOID NO. 2 910 YL TRANSMISSION NEUTRALIZER SWITCH TO OVERRIDE
753 GY LOCKUP CLUTCH CONTROL TO SWITCH 916 BU SCRAPER TRANSMISSION GEAR CODE 6
754 BU COUNTERSHAFT SHIFT SOLENOID NO.3 OR 1 916 GY SWITCH TO LOCKUP CLUTCH CONTROL ENABLE
755 OR COUNTERSHAFT SHIFT SOLENOID NO.4 OR 5 917 WH DUAL HP RELAY TO SWITCH
756 WH TRANSMISSION LOCKUP CLUTCH SOLENOID 918 OR ENGINE OVERSPEED LIGHT AND HORN
761 GY LIFT KICKOUT SOLENOID SW. 919 GN ENGINE OVERSPEED TEST SWITCH
762 YL BUCKET POSITIONER SOLENOID SW. 929 GN BRAKE RETRACT BREAKER TO RELAY
763 BU TORQUE CONVERTER SWITCH 930 BR BRAKE RETRACT SWITCH TO RELAY COIL
764 PU SUPPLEMENTAL STEERING CONTROL SW. (MOTOR GR.) 931 GY AUTO FIRE NITROGEN SW. TO NITROGEN SW.
765 OR APRON SOLENOID (SCRAPER) 932 GN AUTO FIRE AGENT SWITCH TO AGENT SWITCH
766 GN TRANSMISSION DISCONNECT SOLENOID 933 PU AUTO FIRE AGENT SW. TO NITROGEN SW.
767 WH ANTISPIN PICKUP POWER
768 OR ANTISPIN PICKUP TRANSMISSION
769 BU WHEEL SPEED PICKUP-LEFT
770 GN WHEEL SPEED PICKUP-RIGHT
771 PU ANTISPIN SERVICE BRAKE SW.
772 BR ANTISPIN RETARDER SW.
773 GY ANTISPIN SERVOVALVE
774 YL ANTISPIN SOLENOID-LEFT
775 BR ANTISPIN SOLENOID-RIGHT
776 YL BRAKE RELEASE RELAY CONTROL
777 PU BRAKE RELEASE MOTOR
778 BR DIRECT DRIVE LOW RANGE SOLENOID
779 WH COUPLER ENGAGE SOLENOID
780 PU COUPLER DISENGAGE SOLENOID
781 PK AUGER MASTER SW. TO AUGER SW.
782 GY 4TH VALVE SW. TO 4TH VALVE SOLENOID
783 OR DOWNSHIFT INHIBIT
784 YL LOCKUP CLUTCH INHIBIT
785 PK ENGINE SPEED CONTROL PRESS. SW. TO MODE SW.
786 GN ENGINE SPEED CONTROL-HI PRESSURE SWITCH
787 WH AUGER SWITCH TO AEM RESISTOR
788 YL ENGINE SPEED (+)
789 PK CONTROL LEVER LOCK
790 BU ENGINE SPEED CONTROL-MEDIUM SPEED SOLENOID
Off Machine Switch Specification
Part No. Function Actuate Deactuate Contact Position
9G8009
Parking Brake Pressure (EMS)
Brake Air Pressure (EMS)
517 ± 35 kPa
(75.0 ± 5.0 psi)
448 ± 35 kPa
(65.0 ± 5.0 psi)
N.O.
2M9346 Stop Lamp (Pressure)
45kPaMAX
(6.5 psI MAX)
5 kPa MIN
(0.5 psi MIN)
N.O.
7N9560 Power Train Oil Temp. (EMS)
129.4 ± 2.8°C
(265 ± 5°F)
118.3°C MIN
(245°F MIN)
N.C.
7N9785 Engine Coolant Temp. (EMS)
107.2 ± 2.8°C
(225. ± 5°F)
91.0 °C MIN
(196°F MIN)
N.C.
8N1693 Engine Coolant Temp. (Start Aid)
37.8 ± 2.8°C
(100 ± 5°F)
26.7°C MIN
(80°F MIN)
N.C.
6T7663 Engine Oil Pressure (S. Meter)
93 ± 21 kPa
(13.5 ± 3.0 psi)
69 ± 21 kPa
(10.0 ± 3.0 psi)
N.O.
7T2078 Primary Steering Flow
11 I/mm MAX (25.4 mm ID line)
[2.9 gal/min MAX (1.0 in ID line)]
4.9 l/mm MIN (25.4 mm ID line)
[1.3 gal/min MIN (1.0 in ID line)]
N.O.
9W2343 Engine Coolant Flow (EMS)
37 ± 3 g
(1.3 ± 0.1 oz)
31g MlN
(1.1 oz MIN)
N.O.
9W3187 Fuel Pressure (EMS)
93 ± 21 kPa
(13.5 ± 3.0 psi)
69 ± 21 kPa
(10.0 ± 3.0 psi)
N.C.
NO. = NORMALLY OPEN N.C. = NORMALLY CLOSED
Component Location
Component
Schematic
Location
Machine
Location
Component
Schematic
Location
Machine
Location
Alarm-Backup C-9 1 Solenoid-Start Aid A-2 22
Alarm-Fault (EMS) E-3 A Solenoid-Upshift A-4 23
Alternator B-2 2 Switch-Air Pressure (EMS) E-9 24
Batteries A-3 3 Switch-Apron E-7 B
Breaker-Alternator (80 Amp) E-5 C Switch-Auger E-7 B
Breaker-Blower Motor (15 Amp) E-4 C Switch-Backup Alarm F-6 B
Breaker-Head Lamp (15 Amp) E-4 C Switch-Blower E-3 A
Breaker-Key (10 Amp) E-5 C Switch-Converter Retarder Temperature (EMS) A-3 25
Breaker-Panel, Dome, Stop & Tail Lamp (10 Amp) E-4 C Switch-Differential Lock D-9 26
Control-Neutral/Start E-6 B Switch-Disconnect A-3 27
Control-Transmission F-9 4 Switch-Dome Lamp F-6 D
Dryer-Air A-2 5 Switch-Door Dome Lamp F-5 D
Gauge-Air Pressure D-6 B Switch-Engine Coolant Flow (EMS) A-2 28
Gauge-Converter Retarder Temperature D-6 B Switch-Engine Coolant Temperature (EMS) B-3 29
Gauge-Engine Coolant Temperature D-6 B Switch-Engine Coolant Temperature (Start Aid) A-2 30
Meter-Service E-6 C Switch-Engine Oil Pressure (EMS) A-2 31
Monitor-Operator (EMS) E-3 A Switch-Engine Oil Pressure (Fuel Pump) B-3 32
Motor-Blower F-1, F-2 A Switch-Engine Oil Pressure (Service Meter) B-3 33
Motor-Front Windshield Washer D-9 6 Switch-Flood Lamp E-3 A
Motor-Front Wiper F-2 D Switch-Forward Horn F-5 A
Motor-Fuel Pump B-6 7 Switch-Front Wiper F-3 A
Motor-Rear Windshield Washer D-9 8 Switch-Fuel Pressure (EMS) A-2 34
Motor-Rear Wiper F-6 D Switch-Head Lamp Dimmer E-9 D
Motor-Starter B-3 9 Switch-Hold F-7 B
Relay-Main E-5 C Switch-Key Start E-4 B
Relay-Start E-5 C Switch-Master Auger E-4 B
Resistor-Battery Negative to Diagnostic Conn A-3 10 Switch-Operator Monitor Test E-3 A
Resistor-Blower Motor Speed E-1 A Switch-Panel Dimmer F-3 A
Resistor-Panel Dimmer F-3 A Switch-Parking Brake Pressure B-5 35
Resistor-Starter to Diagnostic Connector B-3 11 Switch-Rear Wiper F-3 A
Sender-Converter Retarder Temperature A-3 12 Switch-Refrigerant Pressure A/C E-1 A
Sender-Engine Coolant Temperature B-3 13 Switch-Running Lamp F-4 A
Sender-Tachometer A-2 14 Switch-Shift Lever F-7 B
Sender-Transmission Speed A-4 15 Switch-Side Flood Lamp F-4 A
Solenoid-A/C Clutch B-2 16 Switch-Start Aid F-5 A
Solenoid-Apron E-7 17 Switch-Steering Oil Flow (EMS) A-4 36
Solenoid-Differential Lock E-8 18 Switch-Stop Lamp E-8 37
Solenoid-Downshift A-4 19 Switch-Thermostat A/C E-1 A
Solenoid-Forward Horn E-8 20 Switch-Transmission A-4 38
Solenoid-Lockup A-4 21 Tachometer D-2 A
A-COMPONENTS IN OPERATOR COMPARTMENT-FRONT DASH
B-COMPONENTS IN OPERATOR COMPARTMENT-RIGHT CONSOLE
C-COMPONENTS IN OPERATOR COMPARTMENT-LEFT CONSOLE
D-COMPONENTS IN OPERATOR COMPARTMENT
Harness Connector Location Chart
Connector
Machine
Location
Harness And/Or
Components
Schematic
Location
Connector
Machine
Location
Harness And/Or
Components
Schematic
Location
D-8W6052
Transmission Control
F-9
D-8W6052
N-5T1527
C-7
D-8W6052
W-8W6012
C-4
D-8W6052
X-8C4764
E-1
25 CONTACTS
A-8W6051
W-8W6012
C-2
N-5T1 527
P-8W5219
C-7
W-8W6012
Diagnostic Connector
E-5
W-8W6012
Z-6G9986
D-1
W-8W6012
Operator Monitor (EMS)
E-3
A-8W6051
B-8W3936
C-2
14 CONTACTS
D-8W6052
WW-8W2179
C-5
P-8W5219
R-5T1640
C-7
D-8W6052
V-7T3418
B-4 5 CONTACTS
D-8W6052
W-8W6012
C-3
V-7T3418
Transmission Switch
B-4
G-5T1632
W-8W6012
F-4
WW-8W2179
Shift Lever Switch
F-7
W-8W6012
Y-6G9985
D-1
BBB-8W6055
Neutral/Start Control
E-6
Y-6G9985
Front Wiper Motor
F-1
W-8W6012
BBB-8W6055
E-6
Z-6G9986
Rear Wiper Motor
F-6
8 CONTACTS
A-8W6051
D-8W6052
C-3
7 CONTACTS
6 CONTACTS
4 CONTACTS
37 CONTACTS
20 CONTACTS
10 CONTACTS
9 CONTACTS
3
4
5
8
9
10
11
12
14
15
13
16
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
A
3
4
5
6
8
9
10
11
12
14
15
13
16
B
C
D
1
2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
37
35
33
34
36
38
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
6
B92442X2
B92441X2
1
2
3
4
5
6
7
8
9
10
11
12
20
21
22
23
16
17
18
19
13
14
15
HARNESS CONNECTOR AND COMPONENT LOCATIONS
202-BK
705-PK
202-BK
1
2
D
200-BK
LOCK UP
SOLENOID
6T9290
L10
L31
L5
L31
L31
L32
L32
L10
L10
L10
L4
L4
L5
L9L9
L6
L25
L26
L27
L28
L29
L23
L23
L15
L15
L22
L22
L21
L34
L34 L34
L33
L33L33
L33
L16
L16L16
L16 L16
L16
L28
L17
L26
L25
L27
L28
L29
L32 L32
L32
L10
L10
L9
L9
L6
L6
L5L5
L5
L5
L24
L24
L28
L19
L19
L18
L18
L35
L35
L25
L29L29
L20
L20
L26
L3
L3
L28
L25
L15
L16
L17L17
L18
L18
L35
L24
L26
L29
L27
L27
L21
L22
L23
L19
L20
L21
L22
L23
L24
L4
L3
L3
L2
L2L2
L2
L1
L1L1
L1
1
31
32
33
34
35
28
21
22
23
24
25
26
3
4
9
10
2
8
7
6
20
17
18
19
11
12
13
14
15
16
30
29
5
36
37
27
AUGER SW
5V8690
2
1 787-WH
781-PK
BK
RD/GN
BBB
BBB
1
2
E-6
8
1
4
2
3
T-
MOTOR
L
H
1
3
2
4
OR
BR
GY
GN
123-WH
125-OR-14
202-BK
608-GN
601-GY
409-OR
103-YL
200-BK
122-BU
F
F
E
E
D
D
9
9
8
8
7
7
C
C
B
B
A
A
9
9
8
8
7
7
6
6
5
5
4
4
6
6
5
5
4
4
3
3
2
2 11
F
F
E
E
D
D
3
3
2
2 11
C
C
B
B
A
A
1
445-GN
5T1553
JJ
ATCH WIRE, CABLE &
COMPONENT
9G0549 A-3BB
A-2 ATCH
2W8715
9F4337
8C4764
5T1640
8W8808
8X6200
8X1057
B-3
5T7362
9S9312
5T1528
8W2208AAA
8W6012
8W3628
CABLE AS.
G
2G4177
5T0996
8W2179
5T9895
7T3418
5T1561
5T1527
5T1635
5T1633
8W3936
2W8662QQ
A-2 STDQQ
B-4
C-99G6259
A-3
5T1632
E
B-3ZZ
A-3
F-4
A-3C
NOTE B: NORMALLY CLOSED WHEN DOOR OPEN
NOTE C: NOT REQUIRED THIS MODEL
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF
AND XMSN SHIFTER IN NEUTRAL
E-8
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
F-4
E-4
E-1
D-1
D-1
C-5
C-5
C-7
C-7
A-7
SS
B-5
C-5
C-2
C-3
LOC
6G9986
6G9985
XX
WW
6G5258
PP
KK
EE
CC
AA
WIRE AS.
HARNESS AS.
PART NO.IDENT
Z
Y
X
W
V
T
R
Q
P
N
M
F
D
B
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
TO VEHICLE STRUCTURE
CONNECTOR
SYMBOL DESCRIPTION
BROWN
PURPLE
GRAY
BLACK
COLORABBREV
PINK
YELLOW
ORANGE
WHITE
RED
BR
PU
GY
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAGE
CONV RETR TEMP
GAGE (TRACTOR)
4W0485
3
4
5
8
9
7
10
2
1
6
LEVER 1
LEVER 2
LEVER 3
LEVER 4
LEVER 5
NEUTRAL
GROUND
GND VERIFY
FORWARD
HORN
SOLENOID
7T9074
W
W
470-PU
200-BK
ID CODE 3
ID CODE 2
ID CODE 1
ID CODE 0
+10V
GND VERIFY
GND VERIFY
XMSN SP
GEAR 1
LEVER 5
LEVER 4
LEVER 3
LEVER 2
LEVER 1
HOLD SW
GROUND
DOWN SOL
UP SOL
GEAR 5
GEAR 4
GEAR 3
GEAR 2
+ BATTERY
322-GY
200-BK
200-BK
409-OR
470-PU
306-GN
307-OR
200-BK
126-PK
506-PU
507-WH
200-BK
200-BK
200-BK
200-BK
REAR
WASHER
7T8891
FRONT
WASHER
7T8891
MOTOR
MOTOR
201-BK
LAMP
5D0019
LAMP
5D0019
LAMP
5D0019
BAT
TRANSMISSION CONTROL
9W0009
BASE
7G9730
BASE
7G9730
PANEL
LAMP
7N5876
PANEL
LAMP
7N5876
200-BK
200-BK
601-GY
601-GY
SERVICE
METER
6T7337
400-GN
123-WH
-
APRON SW
2G3970
200-BK
126-PK
307-OR
306-GN
409-OR
470-PU-18
OPR PANEL
NEUTRAL
BR-18
PK-18
GY-18
BU-18
YL-18
OR-18
9
8
7
6
3
MASTER SW
BBBW/O HARNESS 'BBB'
CONNECT 9 PIN
CONNECTOR TO
NEUTRAL/START
CONTROL
GN-18
WH-18
+ BATTERY
START SW
GROUND
START RELAY
3
2
4
1
OR-18
PU-18
BK-18
GN-18
2
1
5
APRON
SOLENOID
7N9719
200-BK
D
M
1
2 200-BK
165-YL
200-BK
717-BR
202-BK
SHIFT
LEVER SW
9W0681
REAR
WIPER
6T6216
COOLANT TEMP
GAGE (TRACTOR)
4W0483
200-BK
202-BK
601-GY
601-GY
126-PK
AIR PRESS
GAGE
1W3306
FORWARD
HORN SW
3T2357
NC
NOC
200-BK
DOOR DOME
LAMP SW
(NOTE B)
3T3133
Z
STOP
LAMP SW
2M9346
200-BK
310-PU
602-WH
322-GY
START AID SW
3T3453
114-GN
119-PK
AIR SW
9G8009
Q
D
2
1
604-OR
103-YL
GN
GY
BR
2 400-GN
400-GN
W
WW
WW
D
WH
BK
OR
4
408-WH
123-WH
3
4
HEAD LAMP
DIMMER SW
2H1855
OPERATOR STATION
OPERATOR STATION
610-OR-14
611-PU-14
441-OR
444-BU
IGN
SEND
GRD
IGN
SEND
GRD
DOME
LAMP
7N8043
DOME
LAMP SW
7N8000
201-BK
322-GY
602-WH
200-BK
103-YL
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
708-YL
BACKUP
ALARM SW
6G4195
505-BU
504-YL
503-BR
712-WH-18
713-OR-18
714-YL-18
715-GN-18
202-BK
716-BU-18
444-BU
441-OR
123-WH
711-BR-18
321-BR
200-BK
2
3
1
H
L
MOTOR
-T
RD
BK
TACH
8T9711
OPERATOR MONITOR
TEST SW
7N8001
LAMP
5D0019
201-BK
204-BK
MASTER FAULT LAMP (TRACTOR)
7N1996
BASE
3T0304
FAULT ALARM
(TRACTOR)
9G9813
6
7
5
9307-OR
126-PK
200-BK
470-PU
BBB
8X0549BBB
LKUP SOL 705-PK
324-BU
200-BK
DIFFERENTAIL
LOCK SOLENOID
7N9719
DIFFERENTIAL
LOCK SW
3T3132
324-BU
165-YL
165-YL
HOLD SW
7N8000
202-BK
708-YL
W
W
201-BK
201-BK
415-GN
410-WH
2
1
2
1
204-BK
422-YL
421-BU
204-BK
423-PU
411-PK
165-YL
515-GY-14
119-PK
123-WH
101-RD-10
24
22
14
515-GY-14
200-BK-14
200-BK-14
521-YL-14
522-WH-14
307-OR
307-OR
THERMOSTAT SW
9X5445
200-BK
200-BK
200-BK
200-BK
200-BK
126-PK
200-BK
200-BK
200-BK
200-BK
200-BK
200-BK-8
PANEL, DOME,
STOP & TAIL
LAMP BREAKER
9G9882
202-BK
409-OR
470-PU
109-OR-4
109-OR-8
109-OR-8
112-PU-14
308-YL
112-PU-8
125-OR-14
200-BK-8
REAR
WIPER SW
3T6655
FRONT
WIPER SW
3T6655
RD
RD
200-BK-14
601-GY
6
RESISTOR
9G1950
G
307-OR
306-GN
307-OR
304-WH
BLOWER SW
6P3236
3
4
5
2
1
516-GN-14
OR
GRN
BLU
BLK
RED
516-GN-14
516-GN-14
-T
521-YL-14
517-BU-14
200-BK-14
515-GY-14
124-GN-14
DIAGNOSTIC CONNECTOR
FRONT
WIPER
6T6216
MAIN
RELAY
3T0376
101-RD-4
109-OR-4
80
ALT
BREAKER
9S4693
ATCH
9S0174
PPW
2
1
200-BK
15
112-PU-14
124-GN-14
BLOWER
MOTOR
BREAKER
6N8589
202-BK
54
21
1
-+
SIG
614-PU 600-BR
601-GY601-GY
601-GY
200-BK
W
SIDE FLOOD
LAMP SW
3T1730
619-GN-14
102-BU-14
4
3
2
1
117-YL
103-YL
614-PU
609-YL
D
OPERATOR
MONITOR
3T9100
Z
YW
2
3
4
119-PK
118-GY
RUNNING
LAMP
SW
3T3826
203-BK
609-YL
614-PU
614-PU
PANEL
DIMMER
RESISTOR
3T3123
PANEL
DIMMER SW
3T3134
103-YL
12
11
10
9
8
7
6
5
4
3
2
1
103-YL
117-YL
118-GY
119-PK
B
W P
L
H
B
B
W P
L
H
B
PANEL LAMP
7N5876
PANEL LAMP
7N5876
REFRIGERANT SW
(NOTE A)
9D6888
118-GY
409-OR
310-PU
601-GY
Y
SUPPL STER
FUEL PR
COOL TEMP
COOL FLOW
AIR PR
ALARM
5
4
2
3
1
W
XX
W
W
W
X
X X
W
W
W W
506-PU
507-WH
35
37
500-BR
501-GN
502-OR
310-PU
34
33
31
29
27
9
30
21
20
32
18
19
10
23
7
2
25
26
11
13
12
16
15
5
1
3
8
36
28
6
17
4
470-PU-18
200-BK
708-YL
321-BR
716-BU-18
200-BK-14
515-GY-14
517-BU-14
513-OR-14
7
500-BR
501-GN
502-OR
503-BR
504-YL
505-BU
602-WH
200-BK
103-YL
310-PU
322-GY
2
1
202-BK
747-WH
743-PU
KEY
BREAKER
9G9487
PARK BK
NEUTRAL
OPERATOR STATIONOPERATOR STATION
20
19
18
17
16
15
14
13
6
7
4
3
2
1
5
201-BK
200-BK
304-WH-8
200-BK
506-PU
507-WH
608-GN
24
19
123-WH
START
RELAY
9F3099
406-PU
409-OR 9
18
4
16
2
6
20
BASE
9D8047
BASE
9D8047
WH/RD-14
WH/RD-14
BK-14
BK-14
25
8
18
3
2 1
TEST
LAMP
CONV TEMP
ENG OIL PR
ALTERNATOR
GROUND
+ BATTERY
2
1
2
1
2
1
5
4
3
2
1
KEY START SW
9G7641
FLOOD LAMP SW
7N8000
BLOWER
9G8697
BLOWER
9G8693
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-YL
610-OR-14
608-GN
308-YL
105-BR
102-BU-14
502-OR
501-GN
500-BR
113-OR
308-YL
114-GN
102-BU-14
118-GY 505-BU
504-YL
503-BR
15
11
10
17
14
7
5
13
12
3
8
19
1
304-WH-8
112-PU
308-YL
304-WH
109-OR
105-BR
311-WH
310-PU
302-OR
207-BK
201-BK
415-GN
411-PK
410-WH
417-GY
201-BK
407-PK
405-GY
413-BR
412-BU
403-GN
408-WH
419-YL
113-OR
MOTOR MOTOR
ST
ON
OFF
B
S
C
715-GN-18
714-YL-18
BOWL
FLOOD
LAMP
1M1882
R
MOTOR
14
13
12
11
L32
TRANSMISSION
121-YL
321-BR
E
BACKUP
ALARM
3T1815
604-OR
614-PU
RIGHT
STOP-TAIL
LAMP
7X6219
LEFT
STOP-TAIL
LAMP
7X6219
639-WH
640-GN
NOTE D
T
S
103-YL
604-OR
604-OR
614-PU
NOTE D
NOTE D
NOTE D
NOTE D
T
T
200-BK
200-BK
200-BK
200-BK
200-BK
L35
W
W
W
W
W
W
W
W
NEUTRAL/RUN SW
NOTE C
NO
SYNC
LAMP
NOTE C
W
CONV RETR
TEMP GAGE
(SCRAPER)
NOTE C
Z
Z
WW
WW
W
M
M
D
D
D
D
D
NOTE D: DENOTES COMPONENTS THAT MAY BE ATCH
STATUS ON SOME CONFIGURATIONS
200-BK
200-BK
200-BK
9
601-GY
601-GY
601-GY
601-GY
601-GY
601-GY
601-GY 601-GY
601-GY
601-GY
601-GY
601-GY
601-GY
601-GY
W
EMS
LAMP
NOTE C
EMS
ALARM
NOTE C
EMS
TEST SW
NOTE C
W
201-BK
201-BK
200-BK
602-WH
713-OR-18
4
3
2
1
7
8
BU-18
6
5
896-GN
787-WH
200-BK
781-PK
895-BR
781-PK
895-BR
AUGER SOL
AUGER SW
GROUND
NEUT/START
NEUT/START
PU-18
GY-18
YL-18
GN-18
WH-18
BK-18
PK-18
BR-18
NEUTRAL/START
CONTROL
7X1362
BUFFER BOX
7X1193
T
202-BK
202-BK
202-BK
202-BK
202-BK
202-BK
202-BK
202-BK
202-BK
202-BK
D
123-WH
123-WH
L9
L32
123-WH
123-WH
123-WH
200-BK
L4
639-WH
640-GN
STOP/TAIL
LAMP CONTROL
7X1670
WH
GN
OR
PU
LEFT LAMP
RIGHT LAMP
STOP IN
TAIL IN
604-OR
614-PU 2
1
4
3
GN
GN 2
1
712-WH-18
6
2
3
8
4
522-WH-14
513-OR-14
00
00
02
01
01
01
00
00
03
07
00
00
200-BK
200-BK
02
02
00
04
01
01
01
03
00
02
01
01
03
05
00
00
02
00
01
02
02
CHG
121-YL
321-BR
200-BK
323-WH
R
2
1
321-BR
NNP
PR
D
D
708-YL
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
200-BK
608-GN
323-WH
321-BR
121-YL
2
1
4
5
3
6
D
2
1
FUEL
PUMP
1W4279
BK/PK-14
BK-14
608-GN
323-WH
200-BK
6
3
5
4
1
2
7 7
6
3
5
4
1
2
2
1
R
T R
2
1614-PU
604-OR
AUGER
119-PK
102-BU-14
308-YL
STARTER
3T8967
113-OR
TRANSMISSION
SPEED SENDER
9X7000
CONV RETR SENDER
(TRACTOR)
6N5926
CONV RETR SW
(TRACTOR)
7N9560
12V BATTERY
9G2648
12V BATTERY
9G2648
LO BEAM
HEAD LAMP
9W0053
LO BEAM
HEAD LAMP
9W0053
TRANSMISSION SW
(TRACTOR)
9W1407
114-GN
118-GY
10A
10A
10A
10A
10A
10A
10A
TRANSMISSION
FRONT WIPER
15
10
BACKUP ALARM
OPERATOR MONITOR
FUSE
3K8782
HORN
SIDE FLOOD LAMPS10A
117-YL
103-YL
123-WH
10A REAR WIPER
HEAD LAMP
BREAKER
3T2662
AIR DRYER
10A FUEL PUMP
112-PU-10
FLOOD LAMPS & GAGES
123-WH
SOLENOIDS
165-YL
10A
101-RD-14
PARKING
BRAKE SW
9G8009
201-BK
201-BK
419-YL
L4
470-PU
1
5
7
202-BK-18
101-RD-14
101-RD-10
101-RD
101-RD
123-WH
FUSE BLOCK
2S3747
FUSE BLOCK
9G0747
BB
445-GN
422-YL
421-BU
423-PU
204-BK
743-PU
747-WH
202-BK
1
STEERING SW
9X1159
202-BK
101-RD
A-3
A-3
A-2
A-3
C-7
D-7
8X3136
DISCONNECT SW
7N0718
RESISTOR
6T2217
C
611-PU-14
619-GN-14
609-YL
A
DOWN SHIFT
SOLENOID
6T9290
UP SHIFT
SOLENOID
6T9290
W/O STEERING SW
CONNECT PLUG D TO
RECEPTACLE D
101-RD-4
1
2
P
TRANSMISSION
D
D
202-BK
201-BK
TRANSMISSION
DD
721-BR-18
722-WH-18
723-OR-18
724-YL-18
725-GN-18
726-BU-18
231-BK-18
E
F
H
D
211-BK
DD
D
ZZ
D
GEAR 1
GEAR 2
GEAR 3
GEAR 4
GEAR 5
GROUND
GND VERIFY
10
9
8
7
6
5
4
3
2
202-BK
207-BK
J
I
G
C
B
A
619-GN-14
SIDE FLOOD
LAMP
7T9094
SIDE FLOOD
LAMP
7T9094
BK-00
BK-00
RESISTOR
6T2217
417-GY
201-BK
GROUND
SIGNAL
+V
C
B
A
TO ENG
BLOCK
HI BEAM
HEAD LAMP
5S5148
HI BEAM
HEAD LAMP
5S5148
203-BK
103-YL
614-PU
609-YL
609-YL
CUTTING
EDGE
FLOOD
LAMP
1M1882
301-BU
NEG POS NEG POS
V
V
SS
2
1
302-OR
-T
-T
EE
JJ
F
F F
D
AA
506-PU
507-WH
201-BK
408-WH
419-YL
322-GY
126-PK
122-BU
200-BK
121-YL
608-GN
417-GY
323-WH
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
608-GN
710-GN
703-BU
202-BK
202-BK
709-OR
726-BU
725-GN
724-YL
723-OR
722-WH
721-BR
711-BR-18
2
1
2
1
COOLANT SENDER
6N5926
COOLANT SW
7N9785
710-GN
BK-18
BK-18
CC
407-PK
406-PU
441-OR
444-BU
2
1
2
1
2
1
202-BK
202-BK
202-BK
709-OR
703-BU
704-GY
417-GY
201-BK
201-BK
611-PU-14
310-PU
311-WH
122-BU
200-BK
451-BR
450-YL
513-OR-14
522-WH-14
513-OR-14
522-WH-14
521-YL-14
516-GN-14
200-BK-14
517-BU-14
515-GY-14
521-YL-14
COOLANT SW
9X3040
TACHOMETER
SENDER
9X8167
BK-18
BK-18
FUEL SW
9W3187
AIR
CONDITIONER
CLUTCH
SOLENOID
7T8600
323-WH
6
1
5
4
3
2
AAA
A
2
1
323-WH
125-OR
125-OR-14
ENGINE OIL SW
6T7663
ENGINE OIL SW
6T7663
ENGINE OIL SW
6T7663
AD
516-GN-14
200-BK
START AID
SOLENOID
7N7259
2
1
BA
COOLANT
SW
8N1693
-T
203-BK
A
C
203-BK
609-YL
611-PU-14
610-OR-14
704-GY
202-BK
705-PK
QQ
ALTERNATOR
8N0999 STD
5S9088 ATCH
-
-T
-T
T
201-BK 405-GY
400-GN
207-BK
619-GN-14
400-GN
D
200-BK-14
B
A
KK
B
A
517-BU-14
515-GY-14
200-BK-8
109-OR-4
451-BR
450-YL
441-OR
444-BU
311-WH
310-PU
412-BU
403-GN
201-BK
413-BR
405-GY
407-PK
406-PU
101-RD-4
304-WH-8
302-OR
2
1
201-BK
413-BR
405-GY
407-PK
109-OR-4
BK-4
403-GN
BK-18
BK-18
2
1
2
1
AIR DRYER
2G2159
413-BR
311-WH
412-BU
122-BU
311-WH
310-PU
201-BK
201-BK
610-OR-14
THIS SCHEMATIC IS FOR THE 631E WHEEL
TRACTOR SCRAPER (3T5176 CHG 04)
ALT
+
R
D36535
