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

Cell 38: Vehicle Control Module, Underhood Bussed Electrical Center


Object Number: 294147  Size: FS
Transfer Case Control Components
Transfer Case Circuit Description
Cell 38: Automatic Transfer Case Control Module, Rear Propshaft Speed Sensor
Handling ESD Sensitive Parts Notice
Cell 10: Left Bussed Electrical Center, Electronic Brake Control Module
Cell 10: Underhood Bussed Electrical Center, Automatic Transfer Case
Cell 38: Automatic Transfer Case Control Module, Rear Propshaft Speed Sensor
Cell 14: RH Fog Lamp, RH Park/Turn Lamp
Figure 2:

Cell 38: Mid Bussed Electrical Center, Splice Pack 203


Object Number: 294152  Size: FS
Transfer Case Control Components
Transfer Case Circuit Description
Cell 38: Automatic Transfer Case Control Module, Rear Propshaft Speed Sensor
Handling ESD Sensitive Parts Notice
Cell 10: Underhood Bussed Electrical Center, Electronic Brake Control ModuLe
Cell 10: A/C Compressor Relay, Auxiliary Power Outlet
Cell 117: G203, Headlamp and Panel Dimmer Switch
Cell 81: Left Bussed Electrical Center, Splice Pack SP205, Splice PackSP203
Cell 50
Cell 14: Horn Switch, C201C, C207C
Cell 14: Full Feature Seat Heated/Memory Seat Switch, Light Bar Switch
Cell 14: Full Feature Seat Heated/Memory Seat Switch, Light Bar Switch
Figure 3:

Cell 38: Automatic Transfer Case Control Module, Rear Propshaft Speed Sensor


Object Number: 340244  Size: FS
Transfer Case Control Components
Transfer Case Circuit Description
Cell 38: Mid Bussed Electrical Center, Splice Pack 203
Cell 38: Vehicle Control Module, Underhood Bussed Electrical Center
Handling ESD Sensitive Parts Notice
Cell 38: Vehicle Control Module, Underhood Bussed Electrical Center
Cell 14: RH Fog Lamp, RH Park/Turn Lamp