GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Blazer - 4WD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Fog Lights Schematics
Figure 1:

Front
Object Number: 669465 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Rear (Export)
B+ Bus Bar
Park/Turn Signal Lamps, Marker and License Lamps, Rear(Pickup)
B+ Bus Bar
DRL and Headlamp Power Relays
Park/Turn Signal Lamps, Marker and License Lamps, Rear(Pickup)
ILLUM Fuse 12
Park/Turn Signal Lamps, Marker and License Lamps, Rear(Pickup)
G203 and G204 (Pickup)
G203 and G204 (Pickup)
Headlamp Switch
G109, G111, G112 and G113 (Except Export)
G109, G111, G112 and G113 (Except Export)
Figure 2:

Rear (Export)
Object Number: 669466 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Front
B+ Bus Bar
Park/Turn Signal Lamps, Marker and License Lamps, Rear(Pickup)
B+ Bus Bar
DRL and Headlamp Power Relays
Park/Turn Signal Lamps, Marker and License Lamps, Rear(Pickup)
Park/Turn Signal Lamps, Marker and License Lamps, Rear(Pickup)
G203 and G204 (Pickup)
G203 and G204 (Pickup)
Headlight Leveling Schematics (Export)
S313 and S419
G203 and G204 (Utility w/ Automatic A/C)