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

Cell 138: Shift Interlock Actuator Control


Object Number: 361766  Size: FS
Tilt Wheel/Column Components
Automatic Transmission Shift Lock Control Circuit Description
Cell 138: Reverse Lockout Control
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Cell 10: Battery
Cell 14: G202 and G200 (2 of 2)
Cell 14: G202 and G200 (2 of 2)
Cell 10: Battery
Cell 10: IGN, SW, HTDST LR, HTDST RR, and HTDST RF Fuses
Data Link Connector Schematics
Cell 51: DIM Ignition Inputs
Powertrain Control Module Connector End Views
Tilt Wheel/Column Connector End Views
Tilt Wheel/Column Connector End Views
Body Control System Connector End Views
Figure 2:

Cell 138: Reverse Lockout Actuator Control


Object Number: 361772  Size: FS
Tilt Wheel/Column Components
Automatic Transmission Shift Lock Control Circuit Description
Cell: 138 Shift Interlock Solenoid Control
Cell 138: PNP Switch Inputs
Power Distribution Schematics
Power Distribution Schematics
Figure 3:

Cell 138: Park/Neutral Position (PNP) Switch Inputs


Object Number: 391176  Size: FS
Tilt Wheel/Column Components
Automatic Transmission Shift Lock Control Circuit Description
Cell 138: Reverse Lockout Control
Handling ESD Sensitive Parts Notice
Powertrain Control Module Connector End Views
Ground Distribution Schematics
Engine Controls Connector End Views