2003 GMC Sierra "horn wire" Questions

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Question about GMC Sierra

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...wire the horn to the battery to see if it sounds. If it does not sound the horn is defective. If you do not have voltage check the black ground wire on the horn connector to see if it has zero ohms, ...

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...horn wire and test it to see if you are getting voltage to the horn wire when someone presses on the horn. you can test this with a 12 volt test light or a volt meter. If the relays are identical in ...

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...horn may have come undone or even around the steering colum there are two screws on the bottom of the coloum you can remove to acces the wiring, check to see if you may have a chaffed wire or even a ...

...then the switch. If the alarm was installed aftermarket it is most likely a fuse, then the wiring where the alarm was spliced into the horn wire, then the switch. Get back to me if this doesn't

Question about GMC Sierra

1 Answer

2004 yukon horn problem my horn honks randomly as I'm driving down the road obviously there is a short in the system probably in the wiring and likely it is exposed wiring. Motion,moisture, and heat ...

Question about GMC Sierra

2 Answers

Horn does not work, the relay clicks and the fuse is good. What else can I check? Check for power at the horn with a volt meter. If you don't have one a 12v light will work too. If there is power ...

Question about GMC Sierra

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...horn cap and disconnected the wire but the horn will still go off by itself. Long continuous blast until I wiggle the steering wheel. It's annoying at 1 am! There is a short on the horn ...

wire. I swapped out the AC relay with the horn relay and no change, the horn worked with the swapped AC relay and the AC did not work with the swapped horn relay. when i turn on the switch in side the

Question about GMC Sierra

2 Answers

...horn button apart and inspect it,and if it is not in there remove the steering wheel,and the lock plate,and look at the rotor inside there is a wire that comes out of it,it maybe broken where it goes ...

Question about GMC Sierra

1 Answer

why does my horn work sometimes Bad switch in the steering wheel, bad horn relay, bad horn, or a bad connection/wiring issue.

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