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

Body Control Module, Rear Release Actuator, Relay, and Switch


Object Number: 509313  Size: FS
Body Rear End Components
Rear Compartment Lid Release Circuit Description
Park Brake Switch and Park/Neutral Position Switch
Power Distribution Schematics
AIR BAG and GAUGES Fuses
Instrument Cluster: Analog Schematics
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
TAIL LPS and STOP/HAZARD Fuses
Park Brake Switch and Park/Neutral Position Switch
G400 Splice S470
G200 Splice S220
G400 Splice S470
Figure 2:

Park Brake Switch and Park/Neutral Position Switch


Object Number: 509316  Size: FS
Body Rear End Components
Rear Compartment Lid Release Circuit Description
Body Control Module, Rear Release Actuator, Relay, and Switch
Handling ESD Sensitive Parts Notice
Body Control Module, Rear Release Actuator, Relay, and Switch
AT Shift Lock Control Actuator Solenoid, and Diode
Park Neutral Position Switch
Brake Fluid Level Sensor, Instrument Cluster and Park Brake Switch
Automatic Transmission, Park Neutral Position Switch
Automatic Transmission and Park/Neutral Position Switch
Ground Distribution Schematics