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For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Door Control Module Schematics
Figure 1:

Driver Door Module (DDM)
Object Number: 1795483 Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Front Passenger Door Module (FPDM)
Rear Fuse Block B+
Power, Ground, and Low Speed GMLAN
Heated Mirrors w/ DR2
Driver Outside Rearview Mirror
G300
Driver Door Module Power and Ground
Front Window Switches and Motors
Figure 2:

Front Passenger Door Module (FPDM)
Object Number: 1795487 Size: FS
Master Electrical Component List
Power Door Locks Description and Operation
Control Module References
Driver Door Module (DDM)
Rear Fuse Block B+
Power, Ground, and Low Speed GMLAN
Heated Mirrors w/ DR2
Passenger Outside Rearview Mirror
G304
Front Passenger Door Module Power and Ground
Front Window Switches and Motors