Hook up a 12v jumper lead and test the horn straight from the battery, if it works than it could be a relay or your horn button.
Testimonial: "Did try that and horn works, relay is good, had local shop review it and they tried new contacts and that doesn't work either, so it must be a bad wire.....Horn does work with keychain when I lock the doors, but thats it.... Thanks for the help..."
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have a 2006 Silverado 1500 edtion,and the horn just stop working sometime it does but look at the fuse looked fine,but i 'll get in the truck again ,and it will work.
i tested both fuses and the big fuse as well still nothing,where is my horn located on my Silverado 1500 edition 2006.
Fuse and relays for tranny
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