Troubleshooting: Standard Frame Wiring Schematic (4S/4M)
1 5
2 6
14
10
15
30A
(OPTIONAL)
RETARDER
RELAY
FIGURE 19 - STANDARD FRAME WIRING SCHEMATIC (4S/4M)
38
11 12
3 7
9
13
WSS
STEER
AXLE
LEFT
TRAILER ABS
INDICATOR LAMP
+12V IGNITION
+12V BATTERY
X1
7
13
8
9
14
10
4 8
X1
3 2 1
3 2 1
*
*
WSS
STEER
AXLE
STEER
STEER
RIGHT
AXLE
AXLE
LEFT
RIGHT
PMV
PMV
STEER AXLE
ABS WL RELAY
ABS INDICATOR LAMP
5A
* Pressure Modulator Valves
Connector
Common (CMN)
Hold (HLD)
Release (REL)
17
3 4
11
15
12
16
18
1 2
3 2 1
3 2 1
*
*
WSS
WSS
DRIVE
DRIVE
AXLE
AXLE
DRIVE
DRIVE
LEFT
RIGHT
AXLE
AXLE
RIGHT
LEFT
PMV
PMV
DRIVE AXLE
Twist-Lock
Pin 2
Pin 3
Pin 1
X2
5
6
X2
Packard
Pin B
Pin C
Pin A
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