GM Service Manual Online
For 1990-2009 cars only
Figure 1:

DRL Relay Control and Ground


Object Number: 299799  Size: FS
Lighting Systems Components
Headlights/Daytime Running Lights (DRL) Circuit Description
Headlamp Controls
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
GAUGES, AIR BAG Fuses
Handling ESD Sensitive Parts Notice
Cell 14 (G110)
CTSY (cont), PK LPS, DRL, SECURITY Fuses
GAUGES, AIR BAG Fuses
Headlamp Controls
Headlamp Controls
Headlamp Controls
Figure 2:

Headlamp Controls


Object Number: 364024  Size: FS
Lighting Systems Components
Headlights/Daytime Running Lights (DRL) Circuit Description
Headlamps
DRL Relay Control and Ground
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
B+ Bus
Cell 14 (G110)
Cell 14 (G108, G106, G101)
DRL Relay Control and Ground
DRL Relay Control and Ground
DRL Relay Control and Ground
Headlamps
Headlamps
Headlamps
Headlamps
Figure 3:

Headlamps


Object Number: 299803  Size: FS
Lighting Systems Components
Headlights/Daytime Running Lights (DRL) Circuit Description
Headlamp Controls
Cell 14 (G108, G106, G101)
Cell 14 (G108, G106, G101)
Cell 14 (G102, G103, G100)
Cell 14 (G102, G103, G100)
Headlamp Controls
Headlamp Controls
Headlamp Controls
Headlamp Controls