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

Power, Ground, and Serial Data


Object Number: 1912685  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Shift/TCC Solenoids
Figure 2:

Shift/TCC Solenoids


Object Number: 1912690  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
ISS, OSS, PC Solenoid, and TFP Switches
Power, Ground, and Serial Data
Figure 3:

ISS, OSS, PC Solenoid, and TFP Switches


Object Number: 1912692  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
PNP Switch
Shift/TCC Solenoids
Figure 4:

PNP Switch


Object Number: 1912694  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
Tap Up/Tap Down Switch (LZ4)
ISS, OSS, PC Solenoid, and TFP Switches
Figure 5:

Tap Up/Tap Down Switch (LZ4)


Object Number: 1912696  Size: FS
Master Electrical Component List
Electronic Component Description
Control Module References
DLC, Ground and Power
PNP Switch