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

Power, Ground, Serial Data. and MIL


Object Number: 2081618  Size: FS
Figure 2:

Gages


Object Number: 2081620  Size: FS
Figure 3:

Indicators and DIC Controls


Object Number: 2081623  Size: FS
Figure 4:

Fuel Gage


Object Number: 2081627  Size: FS