Wire Description
101
RD
102
BU
Wire Color
Bat (+)
400
GN
Hd Lmp
403
Description
Wire Number
Wire Color
Servicemeter Switch
534
WH
GN
Alternator Terminal (Right)
535
Power Circuits
Description
Description
Wire Number
Wire Color
Heat Sensor/Test Switch
770
GN
Antispin Pickup Right
BU
Travel Alarm Timer Press Swith
771
PU
Antispin Service Brake Switch
Monitoring Circuits
Monitoring Circuits
Control Circuits (Cont.)
103
YL
Dome/Dash Lamp/Park, Tail Lamp
404
YL
Operator Mon Panel Hydraulic Oil Temp
536
OR
Travel Alarm Timer Manual Override
772
BR
Antispin Retarder Switch
105
BR
Key Switch
405
GY
Operator Mon Panel Oil Pressure
537
GR
Turn Signal Switch to Flasher
773
GY
Antispin Servovalve
106
WH
Main Power Relay/Input
406
PU
Operator Mon Panel Coolant Temperature
538
BR
Hazard Indicator
774
YL
Antispin Solenoid- Left
107
WH
Engine Shutdown
407
PK
Operator Mon Panel Conv/Retarder Oil Temp
539
BU
Turn Signal Indicator Basic/Right
775
BR
Antispin Solenoid- Right
540
WH
Turn Signal Indicator Left Lighting Circuits Dash Basic
108
BU
Misc. Wiper, Dome Lamp, Cigar Lighter
408
WH
Operator Mon Panel Brake Press. (Air)
109
OR
Alternator
409
OR
Operator Mon Panel Neutral
110
GN
Windshield Wiper Switch (Right)
410
WH
Operator Mon Panel Fault Alarm
600
BR
111
YL
Windshield Wiper Switch (Left)
411
PK
Operator Mon Panel Master Fault Lamp
601
GY
Dash High
112
PU
Main Power Relay/Output
412
BU
Operator Mon Panel Coolant Flow
602
WH
Dome
113
OR
Operator Monitor Panel
413
BR
Operator Mon Panel Fuel Pressure
603
PK
Rotary Beacon
114
GN
Warning Horn (Forward)
414
PK
Operator Mon Panel Low Fuel
604
OR
Stop
115
PK
Flood Lamp (Front)
415
GN
Operator Mon Panel Test Switch
605
YL
Turn Left
116
BR
Flood Lamp (Rear)
416
OR
Secondary Steering Switch
606
GY
Turn Right
17
YL
Flood Lamp (Side)
417
GY
Primary Steering Switch
607
PK
Flood Front
118
GY
Windshield Wiper Switch (Front)
418
YL
Operator Mon Panel Oil Pressure (High Setting)
608
GN
Flood Rear
119
PK
Windshield Wiper Switch (Rear)
419
YL
Operator Mon Panel Parking Brake
609
YL
Flood Side
120
YL
Converter (24V to 12V)
420
OR
Operator Mon Panel Fuel Filter/Low Accum Press.
610
OR
Head Lamp Basic
121
YL
Backup Alarm/Lamp/Travel Alarm Timer
421
BU
Operator Mon Panel Fault Lamp (Scraper)
611
PU
Head Lamp High
122
BU
Air Dryer
422
YL
Operator Mon Warning Horn (Scraper)
612
GY
Backup
123
WH
Gages (Servicemeter, Torque Conv Solenoid)
423
GY
Opertor Mon Panel Test Switch (Scraper)
613
PK
License Plate
124
GN
Air Conditioner
424
GY
Operator Mon Panel Power Train Temperature
614
PU
Park/Tail/Dash
125
OR
Fuel Transfer Pump
425
PK
Operator Mon Panel Power Trail Oil Level
615
YL
Cab Flood/ROPS
126
PK
Transmission Control
426
BR
Operator Mon Panel Power Train Filter
616
BU
Bucket Flood
127
OR
Cab Flood Lamp
427
GN
Operator Mon Panel Power Train Oil Filter Jumper
617
BR
Tail/Position Lamp- Left (Roading Package)
128
PK
Kickout Solenoid Switch
428
OR
Operator Mon Panel Transmission Oil Temp
618
YL
Tail/Position Lamp- Right (Roading Package)
129
BU
Cigar Lighter
429
YL
Operator Mon Panel Brake Oil Temperature
619
GR
Head Lamp Low
130
GN
Stop Lamp
431
GN
Operator Mon Panel Low Transfer Pump Press.
622
PU
Floodlamp 3 Way Switch Jumper
131
BR
Fire Control- Operator Warning
432
PK
Operator Mon Panel Brake Pressure (Oil)
623
BU
Floodlamp 3 Way Switch Jumper
132
PK
Antispin Control
433
BU
Operator Mon Panel Brake Pressure (Oil) Jumper
624
YL
Floodlamp Bowl
133
OR
Programmed Electronic Eng Cont Solenoid
434
BU
Operator Mon Panel Power Train Temp Jumper
625
BK
Courtesy Lamp
134
PK
Programmed Electronic Eng Cont Logic
435
YL
Operator Mon Panel Power Train Temp Jumper
136
GN
Supplemental Steering
436
OR
Operator Mon Panel Power Train Oil Filter Jumper
702
OR
Transmission Brake Switch Jumper
137
RD
Steering Motor Indicator
437
BR
Operator Mon Panel Fuel Level to Fuel Filter Jumper
703
BO
Transmission Up Solenoid
138
GN
Automatic Lube Pump (Truck)
438
YL
Operator Mon Panel Coolant Temp Jumper
704
GY
Transmission Down Solenoid
141
PK
Auxiliary Heater
440
BR
Air Press. Gage
705
PK
Transmission Lockup Clutch Sol Basic
441
OR
Engine Coolant Temp Gage
706
BR
Transmission Retarder Switch
Ground Circuits BK
Main Chassis
442
GY
Hydraulic System Temp Gage
707
PU
Transmission Bed Raise Switch
201
BK
Operator Monitor Panel
443
YL
Power Train Temp Gage
708
YL
Transmission Hold Switch
202
BK
XMSN Ctrl
444
BU
Conv/Retarder Oil Temp Gage (Tractor)
709
OR
Transmission Pickup Power
203
BK
Chassis Diagnostic
445
GN
Conv/Retarder Oil Temp Gage (Scraper)
710
GN
Transmission Speed Pickup Signal
204
BK
Operator Monitor Panel (Scraper)
446
PU
Brake Oil Temperature Gage
711
BR
Transmission Lever Code 1
205
BK
Intstrument
447
PK
Fuel Level Gage
712
WH
Transmission Lever Code 2
206
BK
Battery Side of Disconnect
449
BU
Speedometer Sender (Signal)
713
OR
Transmission Lever Code 3
207
BK
Starter Diagnostic
450
YL
Tachometer Sender (+)
714
YL
Transmission Lever Code 4
212
BK
Antispin Coding Pin 16
451
BR
Tachometer Sender (-)
715
GN
Transmission Lever Code 5
213
BK
Antispin Coding Pin 17
452
PU
Torque Converter
716
BU
Transmission Lever Code 6
214
BK
Antispin Coding Pin 18
453
PK
Secondary Steering Fault Lamp
720
PU
Transmission Brake Switch
215
BK
Antispin Coding Pin 19
454
GN
Retarder Indicator Lamp
721
BR
Transmission Gear Code 1
216
BK
Antispin Coding Pin 20
455
YL
Transmission Gear Code 2
217
BK
Transmission Coding Pin 17
218
BK
Transmission Coding Pin 18
500
Converter Temp Switch to Time Delay
722
WH
Accessory Circuits
723
OR
Transmission Gear Code 3
BR
Windshield Wiper- Front (Park)
724
YL
Transmission Gear Code 4
219
BK
Transmission Coding Pin 19
501
GN
Windshield Wiper- Front (Low)
725
GN
Transmission Gear Code 5
226
BK
Operator Mon Panel Set Point Select
502
OR
Windshield Wiper- Front (High)
726
BU
Transmission Gear Code 6 Steering Motor Relay
227
BK
Transmission Coding Pin 37
503
BR
Windshield Wiper- Rear (Park)
727
GN
231
BK
Transmission Sw
504
YL
Windshield Wiper- Rear (Low)
728
BU
Supplemental Steering Control Switch
236
BK
Transmission Coding Pin 36
505
BU
Windshield Wiper- Rear (High)
733
BR
Switching Gear Code 1 Front Switching Gear Code 2 Front
241
BK
Operator Mon Panel Time Delay Pin 3
506
PU
Windshield Washer- Front
734
WH
242
BK
Operator Mon Panel Time Delay Pin 4
507
WH
Windshield Washer- Rear
735
OR
Switching Gear Code 3 Front
243
BK
Operator Mon Panel Time Delay Pin 5
510
YL
Windshield Washer-Primer
736
YL
Switching Gear Code 4 Front
244
BK
Operator Mon Panel Time Delay Pin 6
926 & 926E Wheel Loaders Electrical System
Control Circuits
200
Basic Machine Circuits
SENR3075 December 1984
Description
513
OR
Air Conditioner Compressor
737
GN
Switching Gear Code 5 Front
514
PU
Air Conditioner Condenser Motor
738
BR
Switching Gear Code 1 Rear
301
BU
Starter No. 1 Sol to Resistor
515
GY
Blower Motor (High)
739
WH
Switching Gear Code 2 Rear
302
OR
Starter No. 1 to Diagnostic/Resistor to Diagnostic
516
GN
Blower Motor (Medium)
740
OR
Switching Gear Code 3 Rear
304
WH
Starter Relay No. 1 Output
517
BU
Blower Motor (Low)
741
YL
Switching Gear Code 4 Rear
306
GN
Starter Relay Coil/Neutral Start Switch
519
PK
Thermostat to Dryer Pressure Switch
742
GN
Switching Gear Code 5 Rear
308
YL
Main Power Relay Coil
520
WH
Operator Air Conditioner Switch to Thermostat
743
PU
Switching Neutral/Run Switch
310
PU
Ether Switch to Ether Solenoid
521
YL
Air Cond Sw to Rfgt Sw
744
BU
Switching Up Solenoid
311
WH
Ether Solenoid to Temperature Switch
522
WH
Air Cond Compr to Thermo Sw
745
GY
Switching Down Solenoid
312
PK
Starter No. 2 Solenoid to Resistor
523
BR
Windshield Wiper- Left (Park)
746
PK
Switching Synchronize Solenoid
313
GY
Starter No. 2 to Diagnostic/Resistor to Diagnostic
524
BU
Windshield Wiper- Left (Low)
747
WH
Switching Sno Synchronize Solenoid
314
PU
Starter Relay No. 2 Output
525
GY
Windshield Wiper- Left (High)
756
WH
Transmission Lockup Clutch Solenoid
321
BR
Backup Alarm/Lamp
526
YL
Windshield Wiper- Right (Park)
761
GY
Lift Kickout Solenoid Switch
322
GY
Warning Horn (Forward)
527
GN
Windshield Wiper- Right (Low)
762
YL
Bucket Positioner Solenoid Switch
323
WH
Fuel Transfer Pump Power
528
PK
Windshield Wiper- Right (High)
763
BU
Torque Converter Solenoid
324
BU
Differential Lockup Solenoid
529
WH
Windshield Washer- Left
764
PU
Supplemental Steering Control Switch (Motor Grader)
325
PK
Fuel Pump Relay Oil Press. Switch
530
OR
Windshield Washer- Right
765
OR
Apron Solenoid
326
PU
Key Switch "C" Terminal
531
WH
Fire Warning Horn
767
WH
Antispin Pickup Power
327
PK
Shutdown Solenoid
532
WH
Fire Warning Lamp
768
OR
Antispin Pickup Transmission
328
RD
Shutdown Module "Off"
533
RD
Heat Sensor/Test Switch
769
BU
Antispin Pickup Left
926: 94Z1-2208
926E: 94Z2209-UP
© 1984 Caterpillar All Rights Reserved
Printed in U.S.A.
Connector Locations Connectors
Harness and/or Components
Ident. 1
20 Contacts 2 3 10 Contacts
4 5 6
9 Contacts 7 8 Contacts
8 9
7 Contacts 10
Schematic Location
A- 9V3735 Operator Monitor (EMS) H- 9V6826 Diagnostic Connector A- 9V3735 C- 9V3810 B- 9V3735 H- 9V6826 B- 9V3151 H- 9V6826 A- 9V3735 B- 9V3151 H- 9V6826 UU- 9V6930 H- 9V6826 M- 9V6931 A- 9V3735 F- 8V9525 Or 9V5461 B- 9V3151 G- 9V6933
Harness and/or Components
Connectors Ident.
B-4
D- 2G- 9V6933 N- 9V6932 H- 9V6826 V- 9V6928 J- 9V1485 K- 6T4826 A- 9V3735 D- 9V4666 A- 9V3735 Front Wiper Motor E- 8V6185 Rear Wiper Motor H- 9V6826 R- 8V6976 H- 9V6826 Z- 9V6929
11 6 Contacts
B-8
12
E-5
13
A-4
14
A-4
15
D-4
16 4 Contacts
B-6
17
C-8
18
D-3
19
Schematic Location A-4 A-5 F-4 E-4 F-3 E-5 D-2 B-6
L- 8V4484 K- 6T4826
F-4
Component
Schematic Location
A-4
Component Location Component
Schematic Location
Machine Location
Machine Location
Alarm- Backup
D-8
1
Switch- Aux. Flood Lamp
C-4
A
Alarm- Fault
B-2
A
Switch- Backup Alarm
C-7
12 A
Alternator
F-7
2
Switch- Beacon
C-4
Batteries
C-8, D-7
3
Switch- Blower- A/C Selector
F-5
A
Breaker- Alternator
B-7
B
Switch- Blower Speed
F-5
A
Breaker- Blower Motor
D-5
A
Switch- Brake Air Press.
F-6
13
Breaker- Key
B-7
B
Switches- Brake Oil
D-6
14
Breaker- Running Lamp
B-7
B
Switch- Bucket Positioner
B-1
15
Converter- Voltage
B-2
A
Switch- Disconnect
E-7
16
Dryer- Air
A-7
4
Switch- Eng. Coolant Temp.
E-7
17 18
EMS Panel
B-4
A
Switch- Eng. Oil Press. (EMS)
D-7
Flasher
E-3
A
Switch- Eng. Oil Press. (Serv. Meter)
D-7
19
Fuse Panel
D-5
A
Switch- Fuel Press.
E-7
20
D-2,3
A
Switch- Key Start
C-3
A
B-3
A
Switch- Lift Kickout
B-1
21
Gauges Meter- Service Motors- Blower
F-4
A
Switch- Parking Brake
D-7
22
Motors- Washer
E-3, E-5
A
Switch- Primary Steering Flow
C-6
23
Motors- Wiper
E-5, F-3
A
Switch- Rear Flood Lamp
C-4
A
B-7
B
Switch- Refrigerant Press.
C-7
24
Relay- Start
B-7
B
Switch- Running Lamp
B-4
A
Sender- Coolant Temp.
C-7
5
Switch- Start Aid
B-3
A
Relay- Main
Sender- Fuel Level
C-7
6
Switch- Start Aid (Coolant Temp.)
E-6
25
Sender- Hydraulic Temp.
C-7
7
Switch- Stop Lamp
F-6
26
Sender- Transmission Temp.
C-7
8
Switch- Thermostat
F-4
A
Solenoid- A/C
C-7
9
Switch- Transmission Neutral
D-7
S7
Solenoid- Bucket Positioner
B-3
A
Switch- Transmission Temp.
D-7
28
Solenoid- Lift Kickout
B-3
A
Switch- Turn Signal
E-3
A
Solenoid- Start Aid
F-7
10
Switches- Wiper/Washer
B-5
A
Starter
A-7
11
Machine locations are repeated for components located close together. A = Located inside of cab. B = Components on relay panel.
20 Page, NJJ
Wire Color
Wire Number
SENR3075
Wire Number