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

Indicators


Object Number: 1791311  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Gages
Interior Lights Dimming Schematics
Module Power, Ground, and MIL
Low Speed GMLAN
G203, G205, G207
G311
G201
G203, G205, G207
Figure 2:

Gages


Object Number: 1791318  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators
Low Speed GMLAN
Low Reference