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

Power, Ground, and Serial Data


Object Number: 1567063  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Power Windows, Door Locks, HVAC, and Tow/Haul
B+ Bus
B+ Bus
B/U LP, BTSI, 02A, 02B, TBC IGN1, and TRL B/U Fuses
Ignition Switch - ACCY/RUN/START, RUN and START Bus Bars, and CRANK and IGN A Fuses
B+ Bus
Ignition Switch - ACCY/RUN/START, RUN and START Bus Bars, and CRANK and IGN A Fuses
Ignition Switch - ACCY/RUN/START, RUN and START Bus Bars, and CRANK and IGN A Fuses
IGN 0, RR WPR, SEO ACCY, TBC ACCY, TBC IGN 0, and WS WPR Fuses
IGN 0, RR WPR, SEO ACCY, TBC ACCY, TBC IGN 0, and WS WPR Fuses
Power, Ground, Data Link Connector, and SP205
G200
G200
Figure 2:

Power Windows, Door Locks, HVAC, and Tow/Haul


Object Number: 1567064  Size: FS
Figure 3:

Interior Lights, Horns, Entertainment, and Theft Deterrent


Object Number: 1567065  Size: FS
Figure 4:

Headlamps, Park Lamps, DRL, and Park Brake Signals


Object Number: 1567066  Size: FS
Figure 5:

Interior Lights Dimming, Backup Lamps, and Sunroof Power


Object Number: 1567067  Size: FS