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horn problems need help

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Old Jun 28, 2009 | 10:56 PM
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Default horn problems need help

im having two different problems with my steering column and horn

steering column problem-the lower shaft moves in and out real easy now for some reason,i can grab the lower shaft that attaches to the gear box and move it with very little resistance at all.did i breake somthing in it or is it ok to put back on the car?


horn problem-bought new plastic rivits and upper horn contact kit(rod,spring,plastic keeper)
when i put this together if i tighten the 3 screws that hold these parts in ,the horn button will not go in and out to operate the horn.
how is this assembly spose to move in and out with the horn button when the 3 screws are tight to the hub?

i really need some help with these problems any help would be appriciated very much.

thanks guys
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Old Jun 29, 2009 | 03:27 AM
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ok let me ask a question horn on this car never did work so i dont know if you push the horn button on a corvette does the horn button move in twords the steering wheel a little,this one when put together the horn button is rock solide no movemant.
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Old Jun 29, 2009 | 08:06 AM
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can anybody help me with this please?
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Old Jun 29, 2009 | 12:42 PM
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Originally Posted by killer454
can anybody help me with this please?

Wish I could help you but mine is the same way, maybe just a tiny bit of give to it but essentially solid... Beats me....
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Old Jun 29, 2009 | 09:15 PM
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My horn button rocks towards the outer edges. The horn relay is a plastic three prong relay (my old one was yellow, new one is black) hanging in front of the fuse buss under the drivers side dash. There are 3 wires going to it (using my 1981 as my example). The black wire is a ground, the red wire is hot, the green wire is the power wire that feeds the horns. When you push the horn button you will complete the circuit for the relay. This will in turn magnetize the relay and "make" the points in the relay. Therefore, allowing voltage to travel through the green wire to the horns.
In order to check the system, remove the relay and connect a volt meter or test light to the black (-) and red (+) wires through the connector. If you have voltage when the button is pushed the horn mechanism is working properly. Next you need to check the relay. You can re install the relay and see if there is voltage on the green wire when the button is pushed. I took my relay apart and found it was rusted beyond repair (about $12.00 or so) and installed a new one. Problem solved. You may want to bench test it since it is such a tight fit under the dash. Look to see which connector corresponds to each wire. Connect 12 volts to the red wire terminal, ground the black wire terminal and use your meter/test light to ensure 12 volts on the green wire terminal. You should hear the relay click as the coil magnet is energized. If all this is working properly, you will need to test each horn by putting 12 volts directly into the horn itself. The problem is most likely the relay, unless you have have been working on the steering column. If there is a problem between the relay and the horn units there will be a grounding issue on the horn units or a broken green wire supplying the horns. This should allow you to at least narrow your search to a specific part failure.
Hope this helps, If you need more clarification let me know.

jay
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Old Jun 29, 2009 | 09:30 PM
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08vycpe
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It's hard to diagnose something you can't see but....If you remove the horn button and press on the spring steel so that metal to metal contact in made from one side of the plastic rivets to the other does the horn sound.?

If you then snap the horn button back on and it won't depress when you press on it you may not have the shims installed or not enough shims.

GM has a .010" gap in the AIM for button travel when you push on it and the shims are what sets this dimension. My car has 3 shims and a spacer.

Check your AIM to be sure you have all the parts and they are installed in the right order.

Best of luck.
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Old Jun 30, 2009 | 12:19 AM
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ok my car never had a working horn just had some of the horn parts,thats why this is causing so many problems.

08vycpe you just figured it out for me after reading your post went out to the garage and checked but no spacer or shims at all.

i allready checked willcox and i see now what i have to buy,i wish i would have noticed those parts not being their the first time i ordered the rest of those parts.

thanks for the help
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