GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Moveable Window Schematics
Figure 1:

Front Window Switches and Motors
Object Number: 1886527 Size: FS
Master Electrical Component List
Power Windows Description and Operation
Control Module References
Rear Window Switches and Motors
Figure 2:

Rear Window Switches and Motors
Object Number: 1886529 Size: FS
Master Electrical Component List
Power Windows Description and Operation
Control Module References
Front Window Switches and Motors