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

BCM Power, Ground, and Serial Data


Object Number: 1217398  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Lighting, Defogger, and Wiper/Washer Subsystem References
Battery Power to the Fuse Block, Starter, and Generator
RADIO, BCM/CLUSTER, INT LIGHTS, PARK, HAZARD, and LOCK MIRROR Fuses
Ignition Switch
TURN,BCM,RADIO(IGN),HVAC, and HTD SEATS Fuses
RADIO, BCM/CLUSTER, INT LIGHTS, PARK, HAZARD, and LOCK MIRROR Fuses
RADIO, BCM/CLUSTER, INT LIGHTS, PARK, HAZARD, and LOCK MIRROR Fuses
DLC Schematic
DLC SChematic
Figure 2:

Defogger, Lighting, and Wiper Washer SubSystem References


Object Number: 1217399  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Controlled/Monitored Subsystem References
Power, Ground, and Serial Data
Headlamp/DRL Schematic
Park Lamps
Interior Lights Schematics
Fog Lights Schematic
Interior Lights Dimming Schematic
Wiper Switches and Washer Pump
Defogger Schematic
Figure 3:

Controlled/Monitored Subsystem References


Object Number: 1217400  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Lighting, Defogger, and Wiper/Washer Subsystem References
Door Lock Actuators
Door Lock and Jamb Switches
Theft Schematic
Body Rear End Schematic
Blower Controls
Audible Warning Schematic
Gages and the Fuel Level Sensors
Engine Cooling Schematic
Horn Schematic
Brake Warning Schematic
A/T Shift Lock Control Schematic
Actuators and the Evaporator Temperature Sensor