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

Body Control Module (BCM) Power, Ground, Serial Data


Object Number: 1685640  Size: FS
Master Electrical Component List
Rear Defogger, Audible Warnings, Door Lock, Exterior Lights, Trunk Release, Wiper System References
ABS, BCM BATT, ILLUM RT, ILLUM LT Fuses
ABS, BCM BATT, ILLUM RT, ILLUM LT Fuses
Interior Lights Dimming Schematics
Park Lamps - North America
Theft Deterrent System Schematics
Power Window Schematics (1 of 2)
IGN 2 Fuse, Ignition Switch, I/P Fuse Block - AUTO A/C BCM, HVAC EPS, TPMS, ABS, HTD MIR FusesIGN 2 Fuse, Ignition Switch, I/P Fuse Block - AUTO A/C BCM, HVAC EPS, TPMS, ABS, HTD MIR Fuses
DLC Schematics
G301
Figure 2:

Rear Defogger, Audible Warnings, Door Lock, Exterior Lights, Trunk Release, and Wiper/Washer System References


Object Number: 1376480  Size: FS
Master Electrical Component List
Theft Deterent, Vehicle Speed, Power Window, Interior Lights System References
Body Control Module (BCM) Power, Ground, Serial Data
Defogger Schematics
Audible Warnings Schematics
Door Lock/Indicator Schematics
Turn and Hazard Lamps - North America
DLC Schematics
Wipers/Washer Systems Schematics (North America)
Turn and Hazard Lamps - North America
Figure 3:

Theft Deterrent, Vehicle Speed, Power Window, and Interior Lights System References


Object Number: 1376483  Size: FS
Master Electrical Component List
Rear Defogger, Audible Warnings, Door Lock, Exterior Lights, Trunk Release, Wiper System References
Vehicle Theft Deterrent System (Immobilizer)
Vehicle Speed Signal
Manual Transmission - 2.0L MR 140
Power Window Schematics (1 of 2)
Door Courtesy Lamps and Door Jamb switches