GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 LaCrosse 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Wiper/Washer Schematics
Figure 1:

Wiper/Washer
Object Number: 1888945 Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation
Control Module References
Figure 2:

LS4
Object Number: 2039488 Size: FS
Master Electrical Component List
Wiper/Washer System Description and Operation
Control Module References
L26 or LY7