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

Power, Ground, Serial Data, and MIL


Object Number: 1923852  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Gages
Figure 2:

Gages


Object Number: 1923855  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators and DIC Controls
Power, Ground, Serial Data, and MIL
Figure 3:

Indicators and DIC Controls


Object Number: 1923857  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Fuel Gage
Gages
Figure 4:

Fuel Gage


Object Number: 1923859  Size: FS
Master Electrical Component List
Instrument Cluster Description and Operation
Control Module References
Indicators and DIC Controls