GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Grand Am 🢒 Body and Accessories 🢒 Doors 🢒 Door Lock/Indicator Schematics
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