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

BCM Power, Ground, and Serial Data


Object Number: 1429610  Size: FS
Master Electrical Component List
Body Control System Description and Operation
BCM - Lighting, Wipers, and Rear Defogger References
BACKUP/TURN, BCM/ECM/CRUISE, CRUISE SW, and IGN 1 Fuses
Fuse Block - Underhood Bus
BTSI/BCM/MIRROR, RADIO, RR WIPER, and WIPER Fuses
BTSI/BCM/MIRROR, RADIO, RR WIPER, and WIPER Fuses
Data Link Connector
G191, G202, and G303
Figure 2:

Lighting, Wipers, and Rear Defogger References


Object Number: 1458155  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Controlled/Monitored Subsystem References
Module Power, Ground, and Serial Data
Headlights/DRL Schematics
Parking Lamps
Interior Lights
Interior Lights Dimming
Washer and Wiper Controls
Defogger Schematics
Figure 3:

Controlled/Monitored Subsystem References


Object Number: 1458157  Size: FS
Master Electrical Component List
Body Control System Description and Operation
BCM - Lighting, Wipers, and Rear Defogger References
Door Lock Actuators
Door Lock Switches and Door Jamb Switches
Theft Deterrent System Schematics
Body Rear End Schematics
A/C Compressor Controls
Audible Warning Schematics
Washer and Wiper Controls
Engine Cooling Schematics
Horns Schematics
Module, Power, Ground, Serial Data, and Switches
Brake Warning System Schematics
A/T Shift Lock Controls