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Toyota
Tundra
Safety
Horn
Not Working
Horn not working
2012 TOYOTA TUNDRA
72,000 MILES
TAMERA M JOHNSON
MEMBER
1 POST
Horn was working but now it’s not working at all.
May 6, 2020 at 2:45 PM
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ASEMASTER6371
✓
Experienced Mechanic
52,796 POSTS
Good morning,
I attached a wiring diagram for you to view.
We need to do some testing to find where the failure is located. I doubt both horns failed at the same time.
https://www.2carpros.com/articles/how-to-check-wiring
https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit
Do you have a test light to some wiring checks?
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
Roy
Image (Click to enlarge)
May 6, 2020 at 9:00 PM
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