GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Headlights/Daytime Running Lights (DRL) Schematics
Figure 1:

Headlamps
Object Number: 869532 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Daytime Running Lamps
Fuse Block-Underhood B+ Buss
Daytime Running Lamps
Daytime Running Lamps
G201
Fog Lights Schematics
Fuse Block-Underhood LP PARK Fuse, Fuse Block-I/P FRT PARK LP, FOG LP, Fuse, and PWR WINDOWS, SUNROOF Circuit Breaker
Fuse Block-Underhood LP PARK Fuse, Fuse Block-I/P FRT PARK LP, FOG LP, Fuse, and PWR WINDOWS, SUNROOF Circuit Breaker
Figure 2:

Daytime Running Lamps (DRL)
Object Number: 869534 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Headlamps
Headlamps
Headlamps
Front Turn Lamps, Cornering Lamps, and DRL
Front Turn Lamps, Cornering Lamps, and DRL
G101 and G111