Headlights/Daytime Running Lights (DRL) Schematics

Fig 1: DRL Relay, Headlamps, And Power - Wiring Diagram

Courtesy of GENERAL MOTORS CORP.

Fig 2: DRL Relay, Headlamps, And Power (9C1, 9C3) - Wiring Diagram

Courtesy of GENERAL MOTORS CORP.

Fig 3: DRL Relay, Flasher, Headlamps, And Power (6J7) - Wiring Diagram

Courtesy of GENERAL MOTORS CORP.

Fig 4: Switches - Wiring Diagram

Courtesy of GENERAL MOTORS CORP.