Headlight switch wiring diagrams?

JSINES

MEMBER
1997 CHEVROLET TRUCK
V8
4WD
AUTOMATIC
200,000 MILES

Both low beams do not work. When position headlight switch in-between 2 settings, lights work. Replaced headlight switch with new. Same problem. High beams work as suppose to. Running lights also work as normal. Also getting contradictory informartion about which bulbs are for running lights, low beams, and high beams. Is low beams and high beams the same bulb? Headlight switch wiring?

1 Reply

MIKE H R

MECHANIC
3,094 POSTS

You replaced the headlight switch, check the tan wire coming from the switch to see if it has voltage , this wire is the one that goes to the low beams. there are fuses and relays under the hood with relays for the headlights. the light green wire is for the high beams. check at the headlight itself and see if you have voltage coming to the light. See attached wiring diagram and the guide to show you how the check the connections.

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.

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