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Cab Wiring Schematic
12 RED 416
LIGHT
SWITCH
14 DK BLUE 417
18 DK BLUE 513
B
T
I
H
R
18 DK BLUE 512
18 DK BLUE 511
FLASHER/TURN SIGNAL
SWITCH
5
4
2
3
6
1
18 DK BLUE 711
18 DK BLUE 705
18 YELLOW 403
16 RED 407
BAT
CIRCUIT BREAKER 6A
OPTIONAL HEADER
RADIO MEMORY
INTERIOR LIGHT
EXPRESS DOWN
WIPER
(replaces Jumper Wire)
18 GREEN 442 S5
18 GREEN 707
18 GREEN 442
JUMPER WIRE
18 GREEN 442S5
18 GREEN 707
4
5
6
7
8
3
2
1
Form 46584/147141/147459
16 BROWN 506
FUEL GAUGE
WORKLIGHT RELAY
87a
10 RED 416
30
S
18 BLACK 415
87
I
85
86
18 DK BLUE 514
VOLTMETER
S
18 BLACK 415
HEADLIGHT RELAY
I
87a
87a
30
30
10 RED 416
87
87
TEMP GAUGE
85
85
86
86
S
18 BLACK 415
I
12 RED 416
18 DK BLUE 514
GLOW
PLUG
10 OHM
SWITCH
5 WATT
CONNECTOR TO
6
5 4 3 2 1
Mac Monitor
18 BLK 415
18 YELLOW 706
18 PINK 702
18 PINK 702
12 PINK 704
AUX
16 RED 503
6 A
18 PINK 704
18 PINK 704
BAT
AUX
BAT
AUX
BAT
6 A
25 A
CIRCUIT BREAKER 6A
CIRCUIT BREAKER 25A
CIRCUIT BREAKER 10A
SEAT SUSP SWITCH
HEADER CONTROLS
RADIO
INSTRUMENTS
A/C
OPS
2 SPEED
SCREEN MOTORS
18 GREEN 442
407
401
409
405
416
416
444
402
413
406
123
126
403
424
702
709
404
706
420
507
122
419
408
429
442-S5
705
711
411
432
707
430
431
CONNECTOR FROM CAB
418
414
442
708
417
TO TRACTOR
A
B
C
D
E
F
G
702
506
431
430
505
CONNECTOR TO
503
418
ROOF
POWER POINTS
WIPER SWITCH
A/C THERMOSTAT
16 RED 503
16 ORANGE 419
16 ORANGE 504
AIR CONDITIONING
G L
RELAY
87a
30
18 ORANGE 507
87
18 BLK 415
85
86
BLOWER SWITCH
G
L
A/C LO PRESS. SWITCH
NORM. OPEN
L
CLOSES @ 2-6 PSI
RESETS @ 15-25 PSI
B
16 ORANGE 507
G L
12 PINK 440
CONNECTOR TO
SUSP. SEAT
SWITCH
A
B
16 PINK 440
16 BLK 415
18 YELLOW 706
18 GREEN 708
HEADER CLUTCH
SWITCH
18 GREEN 412
18 WHITE 501
18 GREEN 708
18 WHITE 408
18 GREEN 429
DECK SHIFT
18 GREEN 708
SWITCH
18 GREEN 432
12 PINK 440
87a
18 GREEN 411
30
18 GREEN 708
87
HEADER/REEL
HEIGHT RELAY
AUX
18 GREEN 708
85
86
10 A
18 GREEN 709
2 SPEED SHIFT
SWITCH
16 RED 502
CIGARETTE
NOTE: CIRCUITS ARE IDENTIFIED BY WIRE GAUGE, COLOR & CIRCUIT NUMBER
LIGHTER
IE. 16 ORANGE 885 IS A 16 GAUGE WIRE WITH ORANGE INSULATION &
THE CIRCUIT NUMBER IS 885. THIS REFERS TO THE LINE IMMEDIATELY
14 RED 407
BELOW UNLESS INDICATED OTHERWISE
20 A
16 RED 502
14 BLK 415
CONNECTOR TO
BLOWER MOTOR
12 BLK 415
M
H
12 ORANGE 510
C
1
2
3
12 ORANGE 508
0.55 Ω 0.25 Ω
o
o
152 C
152 C
BLOWER RESISTOR
12 ORANGE 509
SEAT OPS SWITCH
(OCCUPIED = CLOSED)
18 GREEN 710
18 YELLOW 404
SPEEDOMETER
HARNESS
18 PINK 702
18 PINK 702
C
18 BLK 415
18 BLK 415
B
18 YELLOW 706
18 YELLOW 706
A
IGNITION
SWITCH
18 BLK 415
S
B
I
PARK BRAKE
10 RED 407
R
A
D
123
126
122
123
123
126
126
122
122
CONNECTOR TO
Mac Monitor
8 7 6 5 4 3 2 1
CONNECTOR TO
SPEEDOMETER
LEGEND
COLOR
FUNCTION
BLACK
GROUND
18 YELLOW 703
RED
LIVE POWER SUPPLY
PINK
ACCESSORY POWER SUPPLY
SWITCH
WHITE
ENGINE IGNITION
BROWN
WIPER
THROTTLE
(ROTARY SENSOR)
BLUE
LIGHTS
5K OHMS
GRAY
NEUTRAL INTERLOCK
A
YELLOW
MACHINE MONITORS
B
ORANGE
AIR CONDITIONING
C
GREEN
HEADER FUNCTIONS
18 YELLOW 406
111446_D
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Troubleshooting
