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

FE1, F41
Object Number: 1790151 Size: FS
Master Electrical Component List
Steering Wheel and Column Description and Operation
Control Module References
Automatic Level Control Schematics - F55, FE3
Rear Fuse Block B+
Serial Data Wake Up
G403
High Speed Serial Data
Power, Ground, and Low Speed GMLAN
G402
Figure 2:

F55, FE3
Object Number: 1790159 Size: FS
Master Electrical Component List
Automatic Level Control Description and Operation (F55)
Control Module References
Automatic Level Control Schematics - FE1, F41
Rear Fuse Block B+
Rear Fuse Block B+
Serial Data Wake Up
High Speed Serial Data
Power, Ground, and Low Speed GMLAN
G403