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Author
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Topic: Horn Blows When Turning Steering Wheel
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Robert K
Gearhead Posts: 630
From: Nashville, TN
Registered: Apr 2000
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posted 12-21-2003 07:48 PM
   
I just installed a brand new Deluxe(Pony) steering wheel on my 65. Now when driving, the horn blows sometimes when making turns. It doesn't do it all the time but enough to certainly be a nuisance. I don't think it's the steering wheel because I had the same problem with the Lecarra wheel I used to have on it. The only difference being the horn wouldn't blow unless I made an extremely tight hard turn. I tried to duplicate the problem by jacking up the front of the car and turning the wheel but no luck. There's something about turning the wheel against the weight of the car that sometimes causes it to short and beep the horn. The turn signal switch was replaced several years ago so I don't think that is the problem. Has anyone experieced a problem like this or have any ideas of where to start looking for the problem ? ------------------
67convertible 289/auto
65fastback 302/4sp [This message has been edited by Robert K (edited 12-21-2003).]
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CalSpecMustang
Gearhead Posts: 182
From: kansas
Registered: Oct 2003
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posted 12-21-2003 08:00 PM
I had that exact same problem I unhooked the horns for a few weeks and then hooked them back up and now the horn dosent honk when I turn but I have to press on the far outsides of my horn bar to honk it.
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bill haab
Gearhead Posts: 425
From: south bend in.
Registered: Oct 2002
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posted 12-25-2003 02:18 PM
every time you see a good lookin girl your going to have problem's. Or wreck alot ! LOL
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Perk 351C
Journeyman Posts: 67
From: Cape Neddick Me USA
Registered: Sep 2003
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posted 12-25-2003 08:23 PM
RobertK, I had the same problem in my 70 Mach.I ended up disconnecting the wires to the horn.I guessed it was a bad switch,but I never did fix the problem.Perk
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RonnieT
Gearhead Posts: 827
From: Port Allen, La. 70767
Registered: Jun 99
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posted 12-25-2003 10:14 PM
Robert, Something is causing the horn circuit to ground when you are turning the wheel. Since it was happening with the other wheel also it could be the cup that holds the spring and wire is damaged or pushed out of place. Another thing theat can cause this problem is if the upper bearing is loose in the steering column allowing the wheel to move over slightly. Disconnecting the horn doesn't solve the problem, it just gets rid of the nuisance. I would pull the wheel back off and look at the spring, wire, and plastic cup real good to locate the ground. ------------------
Ronnie
69 mach1 351W-4V engineless at the time!
70 Torino GT 351C-4v with a "shaker"
Mustangs and More Member #23
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Robert K
Gearhead Posts: 630
From: Nashville, TN
Registered: Apr 2000
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posted 12-26-2003 03:08 PM
I tend to agree with Ronnie in that it could be the steering shaft shorting out against the steering column or something else. Is there something that's supposed to keep the steering shaft perfectly still in the steering column (a bearing maybe) ? There is some play back and forth (not in and out but left and right up and down) of the steering shaft but I don't know how much is allowed. I haven't had a chance to take it apart again but I'm determined to fix it and not disconnect the horn.------------------
67convertible 289/auto
65fastback 302/4sp
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Robert K
Gearhead Posts: 630
From: Nashville, TN
Registered: Apr 2000
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posted 03-06-2005 07:22 PM
For the benefit of other owners with potentialy the same problem, I would like to give an update on this problem albeit quite after the fact. It turns out that my car was missing the steering column tube bearing sleeve. This is basically a white plastic tapered sleeve that rides on top of the bearing that keeps the steering shaft centered on the bearing. I cannot believe that a $1.00 part (literally) could have caused me this much grief. It's not until Ronnie T mentioned the "cup" that I looked at an exploded view of the steering assembly that I realized that I was missing a part. I went ahead and replaced the bearing too while I was at it. It's no wonder my horn wasn't working correctly. Note to self: make sure car has ALL parts before trying to trouble-shoot.
Thanks for everyones help on this one.
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