SkyTrak 8042 Service Manual - Manual (Page 719)

Electrical System
9.128 Model 8042, 10042, 10054 Legacy Rev. 10/03
9.7.41 Crab Steer Circuit and Troubleshooting
Schematic is drawn with the ignition switch in the RUN position.
† §
10.0
STEER
SELECT
SWITCH
STEER
SELECT
SWITCH
8
9
1
2
3
8
1
7
E
D
20
CAB
GROUND STUD
2JJ 20
2GG
20
20
C3
A2
C2
C1
B5
C4
B4
A5
B2
C5
B1
A1
B3
A3
A1
A2
A3
B4
A4
B5
A5
B2
B1
C4
C3
C2
C5
C1
B3
8 2C
8
9
20
+ -
2B
C3
A2
C2
C1
B5
C4
B4
A5
B2
C5
B1
A1
B3
A3
A1
A2
A3
B4
A4
B5
A5
B2
B1
C4
C3
C2
C5
C1
B3
2B
2C
STEER
SELECT
VALVE
SOLENOIDS
+ -
2GG
TO
IGNITION
SWITCH
“RUN”
20
3C
11A
11B
11B
11A
SOLENOID COIL
STATE
ENERGIZED
DE-ENERGIZED DE
E
TRANS.
GRND
2G
2G
MALE AND FEMALE
BULKHEAD HARNESS
CONNECTORS
FEMALE AND MALE
BULKHEAD HARNESS
CONNECTORS
CAB
GROUND
STUD
2MM
20A
20A
10.0
STEER
SELECT
SWITCH
8
9
1
2
3
8
1
7
E
D
2JJ
2GG
TO
IGNITION
SWITCH
“RUN”
3C
11B
11B
11A
11A
20A
STEER
SELECT
SWITCH
20C
ENGINE GROUND
BUSS BAR
8 2C
2B 9
2C
STEER
SELECT
VALVE
SOLENOIDS
20A
20A
A B
C3
A2
C2
C1
B5
C4
B4
A5
B2
C5
B1
A1
B3
A3
A4
C3
A2
C2
C1
B5
C4
B4
A5
B2
C5
B1
A1
B3
A3
A4
20A
8
9
20B
20A
8
9
A B
20A
FEMALE AND MALE
BULKHEAD HARNESS
CONNECTORS
20B
20C
CRAB
+ -
+ -
4-WHEEL
+ -
+ -
E
DE
CRAB
+ -
+ -
4-WHEEL
A B
A B
E
DE
J5
INSTRUMENT PANEL
CONNECTOR
GR
OUND
J5
INSTRUMENT PANEL
CONNECTOR
GR
OUND
MH5090
See pages 9.50,
9.52, 9.74, 9.76,
9.102 and 9.104.
See pages 9.38, 9.39,
9.40, 9.41, 9.62, 9.63 ,
9.64 , 9.65, 9.84, 9.85,
9.86 or 9.87 .