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

Instrument Cluster Schematics


Object Number: 2079587  Size: FS
Figure 2:

Instrument Panel Cluster - Gages


Object Number: 2103662  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Instrument Cluster Schematics
Figure 3:
Object Number: 2169374  Size: FS
Figure 4:

Driver Information Center (DIC) Switch


Object Number: 2108380  Size: FS
Figure 5:
Object Number: 2169374  Size: FS