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

Transmission Shift Controls


Object Number: 158078  Size: FS
Automatic Transmission Components
Electronic Component Description
Transmission Switch Input Controls
EBCM Power Supply and Communication
Automatic Transmission Schematic Icons
TURN-B/U, TRANS Fuses, and WINDOWS Circuit Breaker
HTR-A/C, BRAKE, CRUISE Fuses
HTR-A/C, BRAKE, CRUISE Fuses
Cell 34 Cruise Control
Figure 2:

Transmission Switch Input Controls


Object Number: 158079  Size: FS
Automatic Transmission Components
Electronic Component Description
Transmission Shift Controls
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Fuel Mixture Input Controls