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

Power, Ground, Motor Controls and Data Link


Object Number: 654553  Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Transfer Case Vehicle Speed Sensors
Class 2 Data
G110 (1 of 2)
ING-B Fuse and Ignition Switch
HTR-A/C Fuse 12, BRAKE Fuse 18, and CRUISE Fuse 6
Battery and Underhood Fuse Block
Figure 2:

Transfer Case Vehicle Speed Sensors


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