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

Ground, Power, Pump, Indicators, and Traction Control (NW9)


Object Number: 2060275  Size: FS
Figure 2:

Wheel Speed Sensors


Object Number: 2060277  Size: FS
Figure 3:

Driver Inputs and Stability Control Sensors (JL4)


Object Number: 2060279  Size: FS