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

Cell 120, 131, 147: Door Lock Relay


Object Number: 238509  Size: FS
Power Door Systems Components
Power Door Locks Circuit Description
Cell 120, 131, 147: Door Locks
Cell 120, 131, 147: Door Locks
Cell 120, 131, 147: Door Locks
Cell 120, 131, 147: Door Locks
Cell 120, 131, 147: Door Locks
Cell 120, 131, 147: Door Locks
Ground Distribution Schematics
Power Distribution Schematics
Cell 120, 131, 147: Door Locks
Cell 120, 131, 147: Door Locks
Cell 120, 131, 147: Door Locks
Cell 120, 131, 147: Door Locks
Figure 2:

Cell 120, 131, 147: Door Locks


Object Number: 238511  Size: FS
Power Door Systems Components
Power Door Locks Circuit Description
Cell 120, 131, 147: Door Lock Relay
Left side of IP
Left side of IP
Left side of IP
Left side of IP
Left side of IP
Left side of IP
Left side of IP
Left side of IP
Left side of IP
Ground Distribution Schematics
Ground Distribution Schematics
Interior Lights Dimming Schematics
Interior Lights Dimming Schematics