Dodge ram truck 3500 1996 Service Manual page 87

DIFFERENTIAL AND DRlfELlNE 3 - 21
D I A G N O S I S A N D T E S T I N G (Continued)
VACUUM DISCONNECT AXLE/SHIFT MOTOR
DIAGNOSIS
VACUUM CONTROL SYSTEM
The disconnect axle control system consists of;
• Shift motor
• Indicator switch
• Vacuum switch
• Vacuum harness (Fig. 6)
Refer to Group 21 Transmissions for addi­
tional information.
CHECK
VALVE
SHIFT
MOTOR J9202-55
Fig. 6 Vacuum Control System