GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power, Ground, Class 2, and Transfer Case Encoder Motor


Object Number: 881491  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Front Axle Actuator Control)
HVAC B, RR HVAC, BLOWER, RR DEFOG, STOP LP, TREC
SP205 - 1 of 2
G110
Figure 2:

Front Axle Actuator Control


Object Number: 881492  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Shift Control Switch Inputs)
Power, Ground, Class 2, and Transfer Case Encoder Motor
Shift Control Switch Inputs)
G110
IGN 3, CRUISE, 4WD
Figure 3:

Shift Control Switch Inputs


Object Number: 881493  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Front Axle Actuator Control)
LED Dimming Supply Voltage - 2 of 3
Front Axle Actuator Control)
G203-2 of 3
G203-2 of 3
G203-1 of 3