GM Service Manual Online
For 1990-2009 cars only

Headlights/Daytime Running Lights (DRL) Schematics Except GXP and SLE

Figure 1:

Headlamp Controls


Object Number: 1325984  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
DRL Controls and High Beam Headlamps
Serial Data Class 2
Dimming Control
G200
Temperature Sensors
Figure 2:

DRL Controls and High Beam Headlamps


Object Number: 1547020  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
DRL Controls and Low Beam Headlamps
Headlamp Controls
DRL, HDHIBML, HDHIBMR, HDLOBML, and HDLOBMR Fuses - 3.8L
DRL, HDHIBML, HDHIBMR, HDLOBML, and HDLOBMR Fuses - 3.8L
DRL, HDHIBML, HDHIBMR, HDLOBML, and HDLOBMR Fuses - 3.8L
DRL Controls and Low Beam Headlamps
G103
Serial Data Class 2
G103
G401 - 2 of 2
G401 - 2 of 2
DRL Controls and Low Beam Headlamps
G200
Figure 3:

DRL Controls and Low Beam Headlamps


Object Number: 1644671  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
DRL Controls and High Beam Headlamps
DRL Controls and High Beam Headlamps
DRL Controls and High Beam Headlamps
G103
DRL, HDHIBML, HDHIBMR, HDLOBML, and HDLOBMR Fuses - 3.8L
G401 - 2 of 2
G401 - 2 of 2
Power and Ground

Headlights/Daytime Running Lights (DRL) Schematics GXP and SLE

Figure 1:

Headlamp Controls


Object Number: 1547023  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
High Beam Headlamps
Serial Data Class 2
Dimming Control
G200
Temperature Sensors
Figure 2:

High Beam Headlamps


Object Number: 1547024  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
DRL Controls and Low Beam Headlamps
Headlamp Controls
DRL, HDHIBML, HDHIBMR, HDLOBML, and HDLOBMR Fuses - 3.8L
DRL Controls and Low Beam Headlamps
DRL Controls and Low Beam Headlamps
G103
G401 - 2 of 2
G401 - 2 of 2
Serial Data Class 2
G200
Figure 3:

DLR Controls and Low Beam Headlamps


Object Number: 1364580  Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
High Beam Headlamps
High Beam Headlamps
High Beam Headlamps
DRL, HDHIBML, HDHIBMR, HDLOBML, and HDLOBMR Fuses - 3.8L
DRL, HDHIBML, HDHIBMR, HDLOBML, and HDLOBMR Fuses - 3.8L
Park LP Relay and License Lamps
G103
G401 - 2 of 2
G401 - 2 of 2
Serial Data Class 2
Power and Ground