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

Gages, Ground, and Power


Object Number: 1921780  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators and Lighting
Figure 2:

Indicators and Lighting


Object Number: 1921784  Size: FS
Master Electrical Component List
Indicator/Warning Message Description and Operation
Control Module References
Messages
Gages, Ground and Power
Figure 3:

Messages


Object Number: 1921787  Size: FS
Master Electrical Component List
Driver Information Center (DIC) Description and Operation
Control Module References
Indicators and Lighting