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Horn honks when turning
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bearwin
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PostPosted: Sat Jan 13, 2018 11:09 am    Post subject: Horn honks when turning Reply with quote

So i was driving my 64 bug going to work, horn suddenly honks when turnng, so i disconnected the wire connected to the horn ring. Put tape on the wire. Still honking when turning... so i discovered when i jiggle my steering wheel, it turns out the canceller hits the tube, thats why it activates d horn. What should i do? Or is there something i shld check out? Thanks for d help guys
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chrism0107
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PostPosted: Sat Jan 13, 2018 8:25 pm    Post subject: Re: Horn honks when turning Reply with quote

I had this happen to me turned out the wire was rubbing on the bottom of the fuel tank where it exits the shaft
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saintperez
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PostPosted: Sat Jan 20, 2018 9:03 pm    Post subject: Re: Horn honks when turning Reply with quote

bearwin wrote:
So i was driving my 64 bug going to work, horn suddenly honks when turnng, so i disconnected the wire connected to the horn ring. Put tape on the wire. Still honking when turning... so i discovered when i jiggle my steering wheel, it turns out the canceller hits the tube, thats why it activates d horn. What should i do? Or is there something i shld check out? Thanks for d help guys


Iím having the same problem. I checked under the gas tank but doesnít look like itís that and Iím guessing it the same issue youíre describing. Did you find a solution yet?
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Rome
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PostPosted: Sun Jan 21, 2018 9:02 pm    Post subject: Re: Horn honks when turning Reply with quote

Remember that the horn on a '64, and most other years as of approx. 1960 has power going to it whenever the ignition is on. The circuit is completed so that the horn sounds when you connect the ground side of the horn. The wire for the ground is the one that bridges the rubber steering joint at the steering box, then travels up inside the steering column to end at the steering wheel hub horn contacts. If you disconnect the wire terminal at the steering wheel horn ring and tape it off yet the horn still sounds, then this indicates the wire inside the steering column has a bare spot that is touching metal and giving your ground.

30 yrs ago on my '64 Ghia which has the same setup as a Beetle, it would also honk when I turned the steering wheel... I ran a new insulated electrical wire up the column, think it was 18 gauge, and that cleared up the problem.
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saintperez
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PostPosted: Mon Jan 22, 2018 6:13 am    Post subject: Re: Horn honks when turning Reply with quote

Rome wrote:
If you disconnect the wire terminal at the steering wheel horn ring and tape it off yet the horn still sounds, then this indicates the wire inside the steering column has a bare spot that is touching metal and giving your ground.


Very possible but this is a brand new 16 gauge wire I put in so i know it's not bare. I'm thinking it's metal cancelers that are part of the shaft are some how hitting the column.
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REDKAFER
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PostPosted: Tue Jan 23, 2018 7:46 pm    Post subject: Re: Horn honks when turning Reply with quote

The turn signal cancelling tabs should not have anything to do with the horn honking as the turn signal housing + steering column tube + steering shaft are the same polarity (they are always in contact with each other so incidental contact with the cancelling tabs should make no difference). The wire that runs from the horn ring to the steering box is your only ground there as the chassis ground is electrically isolated from the steering shaft via the rubber coupling so if you've disconnected that wire and its still honking I reckon you've: got a bare spot on the wire (unlikely if its new but hey, ive seen less likely stuff happen), the connector is brushing up against something with a + polarity (make sure the little push-on connector at the steering coupling is plenty clear of the bolts that connect to the shaft), your rubber insulators for the steering tube have rotten out and theres a short there somewhere (check the rubber seal through the firewall and more likely the rubber ring that separates the steering tube and the bracket under the dash), or lastly you've got a short inside your turn signal switch (which I would imagine causing other electrical goofiness with lights as well).

Good hunting.
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saintperez
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PostPosted: Tue Jan 23, 2018 7:59 pm    Post subject: Re: Horn honks when turning Reply with quote

REDKAFER wrote:
The turn signal cancelling tabs should not have anything to do with the horn honking as the turn signal housing + steering column tube + steering shaft are the same polarity (they are always in contact with each other so incidental contact with the cancelling tabs should make no difference). The wire that runs from the horn ring to the steering box is your only ground there as the chassis ground is electrically isolated from the steering shaft via the rubber coupling so if you've disconnected that wire and its still honking I reckon you've: got a bare spot on the wire (unlikely if its new but hey, ive seen less likely stuff happen), the connector is brushing up against something with a + polarity (make sure the little push-on connector at the steering coupling is plenty clear of the bolts that connect to the shaft), your rubber insulators for the steering tube have rotten out and theres a short there somewhere (check the rubber seal through the firewall and more likely the rubber ring that separates the steering tube and the bracket under the dash), or lastly you've got a short inside your turn signal switch (which I would imagine causing other electrical goofiness with lights as well).

Good hunting.


Thank you very much for all the leads. Many things to consider. I will say that rubber that the rubber insulator at the firewall that goes around the column as well as the one under the dash that holds the column up to the dash are all new. When you say:
(make sure the little push-on connector at the steering coupling is plenty clear of the bolts that connect to the shaft) Can you explain that a little more? Are you saying the tab should be on one of the bolts that doesn't directly connect to the shaft but rather the steering box? I'm pretty sure that's how I have it setup but just want to make sure.

I will have to disconnect the wire at the coupler and test if the honking is still happening.

Thanks again!
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REDKAFER
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PostPosted: Tue Jan 23, 2018 8:16 pm    Post subject: Re: Horn honks when turning Reply with quote

saintperez wrote:
Are you saying the tab should be on one of the bolts that doesn't directly connect to the shaft but rather the steering box? I'm pretty sure that's how I have it setup but just want to make sure.


Affirmative. The wire should connect to the steering box, not the shaft. Also, the connector that links the steering column tube to the horn itself needs to not brush up against any part of the chassis as that would short it out. Probably not the issue if its only honking when you turn since that wire is static.
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Sharp64
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PostPosted: Wed Jan 24, 2018 10:39 am    Post subject: Re: Horn honks when turning Reply with quote

Ive seen it so that the wire comes out of the hole in the shaft and over the rag joint to attached to a tab on the bolt that makes contact with the steering box shaft. I have also seen it where the tab was on the driver side of the rag joint and attached to the same bolt, just on the drivers side of the rag joint, not the steering box side.
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saintperez
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PostPosted: Wed Jan 24, 2018 10:54 am    Post subject: Re: Horn honks when turning Reply with quote

Sharp64 wrote:
Ive seen it so that the wire comes out of the hole in the shaft and over the rag joint to attached to a tab on the bolt that makes contact with the steering box shaft. I have also seen it where the tab was on the driver side of the rag joint and attached to the same bolt, just on the drivers side of the rag joint, not the steering box side.



I think the point is making sure it's making contact with the ground at the steering box.
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glutamodo Premium Member
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PostPosted: Fri Jan 26, 2018 8:37 am    Post subject: Re: Horn honks when turning Reply with quote

I've been working all week so I'm late to this discussion...

When I had a problem with unintentional horn action in my 62, it was due to missing having the rubber bumper between the column tube and the body, with that not in place, the two can contact, eventually the paint will start to wear thin and that can give the horn another ground path.

Image may have been reduced in size. Click image to view fullscreen.



http://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=211881895
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als1963stockbug
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PostPosted: Thu Feb 18, 2021 12:39 pm    Post subject: Re: Horn honks when turning Reply with quote

SAME PROBLEM: Hello... I have owned two beetles that had horn issues... for years, this drove me crazy as, at one point I even disconnected (AND REMOVED) the horn wire that runs up the column of the 1963 stock beetle (Horn itself still connected under the fender) and the thing still sounded off when I would turn right or left... what tha!!!!

SOLUTION: As it turns out, when the rubber steering coupling disk between the steering column and the steering gear box wears out and the rubber deteriorates, the wire reinforcing inside the rubber disc will ground out on the four bolts that run through the disc. This creates a ground tot he system that you would normally get with your horn button on the steering wheel and, wa-la... BEEEEP!!!

SO, replace that rubber disc... fairly straight forward operation... I unbolted my gas tank and set it to the side (had just enough slack in the fuel line...you may not), and completed the task in short order. NO MORE "BEEP"!!! Cool

I give credit for this solution to Chris Vallone of "Classic VW Bugs" up in New York. I sent him an e-mail about it and he nailed on the first response as he has seen this many a time before... so, all this "wire shorting out" stuff is a lot of bunk. Replace the steering coupling Disc! Very Happy
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glutamodo Premium Member
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PostPosted: Wed Feb 24, 2021 9:42 pm    Post subject: Re: Horn honks when turning Reply with quote

I kind of glossed over this latest reply. I'm surprised to hear of an original German coupler disk having this problem. However, it is a KNOWN issue with some aftermarket steering couplers.
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