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

Antennas, Ground, Power, and Subsystem References


Object Number: 1636974  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
DVD and Satellite Audio Sources
CNSTR/VENT, CLSTR/HVAC, INT/LAMP, ONSTAR, and RADIO AMP Fuses
Steering Wheel
Data Link Connector (DLC) Schematics
OnStar Schematics
Gages, Ground, and Power
G201
Figure 2:

DVD and Satellite Audio Sources


Object Number: 1636975  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
Front Speakers
Antennas, Ground, Power, and Subsystem References
CHMSL BCK/UP, PRK LAMP, PSD, and RFA MDLS Fuses
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Data Link Connector (DLC) Schematics
G201
Figure 3:

Front Speakers


Object Number: 1636976  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
Rear Speakers
DVD and Satellite Audio Sources
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 4:

Rear Speakers


Object Number: 1636977  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
Front Speakers
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Entertainment Schematic Icons
Figure 5:

Steering Wheel Controls


Object Number: 1636978  Size: FS
Master Electrical Component List
Radio/Audio System Description and Operation
Control Module References
Entertainment Schematic Icons