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

Cell 38: Power, Ground, Motor Controls and Data Link


Object Number: 181651  Size: FS
Transfer Case Control Components
Transfer Case Circuit Description
Cell 38: Transfer Case Vehicle Speed Sensors
Data Link Connector Schematics
Transfer Case Control Schematic Icons
Cell 14 (G110)
Handling ESD Sensitive Parts Notice
HTR-A/C, BRAKE, CRUISE Fuses
HTR-A/C, BRAKE, CRUISE Fuses
GAUGES, AIR BAG Fuses
GAUGES, AIR BAG Fuses
Figure 2:

Cell 38: Transfer Case Vehicle Speed Sensors


Object Number: 368594  Size: FS
Transfer Case Control Components
Transfer Case Circuit Description
Cell 38: Power, Ground, Motor Controls and Data Link
Transfer Case Control Schematic Icons