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Horn problems

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Old Feb 16, 2009 | 09:45 AM
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Default Horn problems

I just recently purchased a 99 Coupe. After taking possession I noticed the horn was inop. The relay for the horn was not in place in the relay box. I swapped a similar relay to the horn position and the horn immediately came on and stayed on until it was removed. Records that were provided by the sellers agent indicate past problems.In 3-07 the horn fuse replaced. In 12-07 the hi and lo note horns replaced along with the fuse. In 2-07 the horn contact was removed and bolstered (what ever that means ) the outer contact. All this was done by Eismann's Corvette in Jupiter Fl. Can anybody help?? Thanks in advance
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Old Feb 16, 2009 | 10:55 AM
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With the relay in place, are the horns on continuously or pulsating simulating a theft deterrent mode?
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Old Feb 16, 2009 | 01:53 PM
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As soon as the relay is plugged in it is continuous
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Old Feb 16, 2009 | 02:00 PM
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Originally Posted by oldvetteguy99
As soon as the relay is plugged in it is continuous
Ok, no rocket science degree required here. Basically, three possibilites:

1) Stuck horn switch in the steering wheel
2) BCM is providing a ground (unlikely)
3) Wiring short to ground

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Old Feb 16, 2009 | 02:03 PM
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Thanks for the info. Don't think I'm up to messing with all the hassle with the wheel and airbag. I'm the poster boy for Murphy's Law. Thanks again
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Old Feb 16, 2009 | 02:07 PM
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Appreciate the help. I'll take a look at it . Thanks
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Old Feb 16, 2009 | 02:23 PM
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I'll need to find somebody in the immediate area that will work for beer and help me track this problem down.
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Old Feb 16, 2009 | 02:31 PM
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Originally Posted by oldvetteguy99
I'll need to find somebody in the immediate area that will work for beer and help me track this problem down.
track down or repair. You can isolate the issue yourself....
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Old Feb 16, 2009 | 11:35 PM
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you can remove the horn pad and jiggle the red wire to see if it fixes the problem..it will come back, but you simply repeat it a few months later. there are two T30 torx head shoulder screws that hold the pad frame to the wheel hub area. once you loosen them and do the fix, don't tighten them down hard, so the next time it happens it will be easy to get them out...they are a pistol to line up too. I made a short tool to drive them in only finger tight. the airbag will still function with loose screws as long as most of the threads are engaged....but you don't ever want to prove that do you.
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Old Feb 17, 2009 | 07:13 PM
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Does the horn pad just pry off and am I going to set off the airbag?
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Old Feb 17, 2009 | 07:45 PM
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Originally Posted by oldvetteguy99
Does the horn pad just pry off and am I going to set off the airbag?
Why not isolate first before taking things apart?
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Old Feb 17, 2009 | 07:52 PM
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READ POST #3, that's it
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