Ice or water got in a connection some place I think? Fuses are good? Short or connection problem? What is best place to start trouble shooting?
Feb 28, 2019 at 3:08 PM
Taillights do not work when headlights are turned on
1999 TOYOTA TACOMA
SPARKY77
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I would start with the tail light relay or combination switch. Here is a guide to help you get started with the tail light wiring diagrams so you can see how the system works:
https://www.2carpros.com/articles/how-to-check-wiring
and
https://www.2carpros.com/articles/no-tail-lights-exterior-running-lights-tail-lights-out
Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
https://www.2carpros.com/articles/how-to-check-wiring
and
https://www.2carpros.com/articles/no-tail-lights-exterior-running-lights-tail-lights-out
Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
Images (Click to enlarge)
Mar 2, 2019 at 12:19 PM
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