Horn Not Working? CHECK FOR BUTTON CORROSION FIRST! - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
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post #1 of 3 (permalink) Old Dec 20th, 07, 03:57 PM Thread Starter
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Jason
 
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Horn Not Working? CHECK FOR BUTTON CORROSION FIRST!

If any of you have been following my latest Camaro drama (Midratz) you'd know I have spent a considerable amount of y'alls time helping me troubleshoot my Horn. Well...

I apologize for wasting your time because it ended up simply being (drum roll) corrosion on the horn button contacts.

I removed the horn button cover, unscrewed the three screws holding the plastic ring and metal cup to reveal a rusty/corroded spring plate, steering wheel base (ground) and the metal aluminum spring post. I learned through trial and error, (and reading all the posts with the word "horn" in them) that to sound the horn all that happens is you are shorting the spring post that is poking out on the upper left side of the horn cavity to ground. When you press on the horn, the curved spring plate compresses and makes contact with the metal post, then the steering wheel base (ground) thus shorting this post to ground, sounding the horn.

I simply took some emery cloth to all of these contacts and HONNNNK!!!

Thanks though to all of you that have been trying to help...I learned alot in the process!

OF NOTE: The parabolic spring plate is placed in there CONVEX, that is, bowed OUT toward you. The outermost edge of the plate is thus resting on the outer area of the horn housing on a little lip (which on my car was painted and thus non-conductive-a good thing), and the inner part of the spring plate is touching nothing (unless being pressed down) - Put this parabolic plate in backwards and it 1) wont feel springy when you push on the horn (a bad thing), and 2) could constantly sound the horn since it may permanently connect the post to ground.

Hope this helps any future horn troubleshooters.
Jason

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Mods: 3spd Saginaw now a PowerGlide. 2bbl Rochester now a Holley 4bbl (4160). Hardened Valve Seats. 133k Miles. Everything else is original. Family car since 1968!
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post #2 of 3 (permalink) Old Dec 20th, 07, 05:46 PM
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David
 
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Re: Horn Not Working? CHECK FOR BUTTON CORROSION FIRST!

Way to go Jason. Glad you got that problem figured out.

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post #3 of 3 (permalink) Old Dec 21st, 07, 04:53 AM
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Re: Horn Not Working? CHECK FOR BUTTON CORROSION FIRST!

Quote:
Originally Posted by midratz.com View Post
If any of you have been following my latest Camaro drama (Midratz) you'd know I have spent a considerable amount of y'alls time helping me troubleshoot my Horn. Well...

I apologize for wasting your time because it ended up simply being (drum roll) corrosion on the horn button contacts.

Hope this helps any future horn troubleshooters.
Jason
First, congrats on fixing your horn.
Second, thanks for the follow-up and telling us what you did to fix your problem.
Thirdly, our time wasn't wasted. You asked for a remedy, we answered with our educated guesses, since we can only read about it and not see phyiscally.

We also learned by your actions. We chose to read this post and provide remedies. You took them, evaluted them, compared them to your situation, and did more research to your situation.

The process is called Experience. It is the one of the curriculum in the School Of Hard Knocks. Once an Alumini, always an Alumini.

Give a man a rescued dog for the health of both their souls. May 2017 ROTM Winner - Thank you!
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