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

DLC, Ground, MIL, and Power


Object Number: 1941698  Size: FS
Master Electrical Component List
Transmission Component and System Description
Control Module References
Shift Solenoids, TFT and VSS
Figure 2:

Shift Solenoids, TFT, and VSS


Object Number: 1941710  Size: FS
Master Electrical Component List
Transmission Component and System Description
Control Module References
DLC, Ground, MIL, and Power
Figure 3:

Electronic PRNDL


Object Number: 1941714  Size: FS
Master Electrical Component List
Transmission Component and System Description
Control Module References
Sensors and Switches