Gm Headlight Switch Wiring Diagram

If you want to troubleshoot a headlight problem in your chevrolet siverado you ll need this headlight wiring diagram.

Gm headlight switch wiring diagram. This tutorial will help you to test a bad headlight switch in step by step manner. Headlight wiring diagram chevrolet silverado here s the headlight wiring diagram for a chevrolet silverado with drl. Unlike many other headlight systems the normal headlights and drl lights are two separate systems but. A wiring diagram is a simplified conventional pictorial representation of an electric circuit.

I ll just document the switch s standard function here to avoid confusion. Colors may or may not vary from year to year. It reveals the components of the circuit as simplified forms as well as the power and signal connections in between the devices. Each has a yellow a.

Gm headlight switch circuit descriptions. 12v headlight switch power feed fused at 10 amps details for front parking lights that stay on with headlights. I don t have a gm wiring diagram to compare the schematic to. This is a typical 1973 1987 headlight wiring schematic.

The wires coming out of the sockets of the turn signals below the headlights are the same on both sides. One of the harnesses i have had the sockets replaced at one time. Feeds power to 6 when headlight switch is in headlights on position. Assortment of chevy headlight switch wiring diagram.

Specifically you ll be able to troubleshoot a no head lights or a no park lights problem to the head light switch. This jumper feeds tail light power to the dash light circuit. 12 volt battery unfused feed into h l switch circuit breaker feeds power to 7 when headlight switch is in park lights on position. I figure that there is two 12v inputs to the switch so that a separate fuse can be used for the park lights and another for the headlights.

Chevy and gmc truck headlight wiring diagram. Ground output wire through the rheostat.