GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2008 🢒 Grand Prix 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Headlights/Daytime Running Lights (DRL) Schematics
Figure 1:

L26
Object Number: 1888837 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
LS4
Figure 2:

LS4
Object Number: 1888839 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Headlights/Automatic Head Lamps