GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 LaCrosse 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Starting and Charging Schematics
Figure 1:

Starting - L26 or LY7
Object Number: 1889407 Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
Starting LS4
Figure 2:

Starting - LS4
Object Number: 1889408 Size: FS
Master Electrical Component List
Starting System Description and Operation
Control Module References
Charging
Starting L26 or LY7
Figure 3:

Charging
Object Number: 1889410 Size: FS
Master Electrical Component List
Charging System Description and Operation
Control Module References
Starting - LY7