GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Regal 🢒 Body 🢒 Wiring Systems 🢒 Headlights/Daytime Running Lights (DRL) Schematics
Figure 1:

Headlamps
Object Number: 1218913 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Daytime Running Lamps (DRL)
Fog Lights Schematics
Fuse Block - Underhood B+ Bus
Fuse Block - Underhood LP PARK Fuse, Fuse Block - I/P PRK/LGHT Fuse, PWR WNDOW PWR S/ROOF Circuit Breaker
Fuse Block - Underhood LP PARK Fuse, Fuse Block - I/P PRK/LGHT Fuse, PWR WNDOW PWR S/ROOF Circuit Breaker
Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL)
G201
Figure 2:

Daytime Running Lamps (DRL)
Object Number: 1218914 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Headlamps
Headlamps
Headlamps
Headlamps
Front Turn Lamps, Cornering Lamps, DRL
Front Turn Lamps, Cornering Lamps, DRL
G101 and G111