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

Power, Ground, DLC, Transfer Case Encoder Motor


Object Number: 654553  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Propshaft Speed Sensors
IGN ACC and RUN
Battery and Fuse Block - Underhood
HTR-A/C, Brake, and Cruise Fuses
Data Link Connector (DLC)
G110 (1 of 2)
Figure 2:

Propshaft Speed Sensors


Object Number: 654557  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Power, Ground, DLC, Transfer Case Encoder Motor
Transfer Case Control Schematic Icons
Transfer Case Control Schematic Icons
Transfer Case Control Schematic Icons
Transfer Case Control Schematic Icons