Headlights/Daytime Running Lights (DRL) Schematics

Fig 1: Headlamp and Panel Dimmer Switch, Ambient Light Sensor

Courtesy of GENERAL MOTORS CORP.

Fig 2: Sealed Beam Headlamps, Composite Headlamps

Courtesy of GENERAL MOTORS CORP.

Fig 3: (DRL) Relay And Diode

Courtesy of GENERAL MOTORS CORP.