GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Blazer - 4WD - RHD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Headlights Schematics
Figure 1:

Power, Flash-to-Pass, and BCM
Object Number: 753116 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Power, Headlamp Switch, and Multifunction Switch
G117
B+ Bus Bar
Power, Headlamp Switch, and Multifunction Switch
Headlamp Washers
Power, Headlamp Switch, and Multifunction Switch
Power, Headlamp Switch, and Multifunction Switch
G102
Figure 2:

Power, Headlamp Switch, and Multifunction Switch
Object Number: 753117 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Power, Flash-to-Pass, and BCM
PARK LP, FR PRK, LR PRK, RR PRK, and TRL PRK Fuses
B+ Bus Bar
Power and Headlamp Switch
Power, Flash-to-Pass, and BCM
Ign START, RUN and ACC Bus Bar
IGN E, GAGES, and SIR Fuses
G200 and G201
Power, Flash-to-Pass, and BCM
Power, Flash-to-Pass, and BCM