GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 LaCrosse 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Headlights/Daytime Running Lights (DRL) Schematics
Figure 1:

L26
Object Number: 2081130 Size: FS
Figure 2:

LS4
Object Number: 2081161 Size: FS