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

Power, Ground, Tachometer, Speedometer and Odometer


Object Number: 791383  Size: FS
Master Electrical Component List
Figure 2:

Indicators


Object Number: 791388  Size: FS
Master Electrical Component List
Figure 3:

Fuel Level, Oil Level and TPM


Object Number: 791390  Size: FS
Master Electrical Component List