I have a 2007 chevy avalanche and my horn just stopped working. I checked the fuse and replaced it but it is still not working
You may have bad horn, take a test light and see if power is going to horn when horn is pushed, if theres power going to it then you have a bad horn,if theres no power to it then check the horn relay. but il bet if the fuse is good then the horns are bad.
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