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

DLC, Ground, MIL, and Power


Object Number: 2049518  Size: FS
Figure 2:

Shift Solenoids, TFT, and VSS


Object Number: 2049520  Size: FS
Figure 3:

Electronic PRNDL


Object Number: 2049522  Size: FS