GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Driver Seat Schematics
Figure 1:

w/o A45
Object Number: 1793663 Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
w/ A45
Rear Fuse Block B+
G300
Figure 2:

w/A45
Object Number: 1793680 Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
Position Sensors
w/o A45
Rear Fuse Block B+
G300
Passenger Heated and Cooled Seat KB6
Power, Ground, and Low Speed GMLAN
Figure 3:

Position Sensors
Object Number: 1793688 Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
w/ A45