GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Allure 🢒 Body Systems 🢒 Lighting 🢒 Headlights/Daytime Running Lights (DRL) Schematics
Figure 1:

L26/LY7
Object Number: 1888971 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Figure 2:

LS4
Object Number: 2039459 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References