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

TCC/Cruise Release Switch and Transaxle Solenoids


Object Number: 1220663  Size: FS
Master Electrical Component List
Automatic Transmission Inline 20-Way Connector Description
Automatic transmission Controls-Transaxle Sensors
OBD II Symbol Description Notice
Power Distribution Schematics-IGN 1 Relay,SIR,Vent Sol and Ignition 1 Fuses
Power Distribution Schematics-IGN 1 Relay,SIR,Vent Sol and Ignition 1 Fuses
Cruise Control Schematics-Cruise Control Module (CCM) Power and Ground
Figure 2:

Transaxle Sensors


Object Number: 1220672  Size: FS
Master Electrical Component List
Electronic Component Description
Automatic Transmission Controls-Trans Internal Mode Switch (IMS) and (VSS)
Automatic Transmission Controls Schematics-TCC/Cruise Rel. Switch,Solenoids
OBD II Symbol Description Notice
Figure 3:

Transmission Internal Mode Switch (IMS), and VSS


Object Number: 1220897  Size: FS
Master Electrical Component List
Electronic Component Description
Automatic transmission Controls-Transaxle Sensors
OBD II Symbol Description Notice
Ground Distribution Schematics-G106
Data Link Connector (DLC) Schematics-Serial Data Line (LH Drive) (1 of 2)