Low beam headlights not working

DCOOK1963

MEMBER
2005 TOYOTA TUNDRA
4.7L
V8
4WD
AUTOMATIC
272,000 MILES

Both of my low beams do not come on but my fog lights parking lights and high beams all work fine. I just picked up a headlamp switch at a salvage yard and switch that out, but it has the same result. Please help

Tuesday, February 12th, 2019 AT 9:32 AM

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
47,536 POSTS

Hello,

There is a HLP relay that needs to be checked. here is a guide to help test the relay and the headlight wiring diagrams so you can see how the system works and the relay location as well:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

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