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Clutch4 Samba Member
Joined: February 11, 2022 Posts: 11 Location: 24251
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Posted: Wed May 25, 2022 12:35 pm Post subject: horn ground on steering column |
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Finally crawled under the front of the car and located bottom of steering column but cannot locate the insulated disc where the ground tab where the ground wire is to be attached. Do I need to remove the gas tank to get at this? I've seen photos of this but not how to get there. |
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Lingwendil Samba Member
Joined: February 25, 2009 Posts: 3987 Location: Antioch, California, a block from the hood
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zgomo Samba Member
Joined: December 03, 2021 Posts: 102 Location: Las Vegas
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Posted: Wed May 25, 2022 11:10 pm Post subject: Re: horn ground on steering column |
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On my standard, with the tank out I can access it easy. I need a new one though, as mine is corroded and falling apart. |
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Clutch4 Samba Member
Joined: February 11, 2022 Posts: 11 Location: 24251
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Posted: Thu May 26, 2022 4:13 am Post subject: Re: horn ground on steering column |
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It is 1972 Super Beetle |
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baldessariclan Samba Member
Joined: October 14, 2016 Posts: 1353 Location: Wichita, KS
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Posted: Thu May 26, 2022 6:08 am Post subject: Re: horn ground on steering column |
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As Lingwendil noted above, there is no insulated / flexible disk at the bottom of steering column on Super Beetles -- the bottom of the column attaches directly to the steering box on those models.
For the horn system on all 1971 and later models, both Standard and Super Beetles, the steering column shaft acts as the ground in the horn circuit. Note the the metal central portion of the steering wheel hub is in direct contact with the top of the steering column shaft, and thus is grounded as well.
At the other end of the horn circuit, the brown ground wire coming up from the horn (normally "hot" when the ignition is on) connects to brass or copper contact tab(s) mounted on the turn signal switch. These tabs press against a contact ring on the back / base of the steering wheel, and this contact ring is connected via a short wire to the horn button / ring. When you press the ("hot") horn button / ring, it contacts the metal central hub of the steering wheel, thus grounding (and completing) the horn circuit, causing the horn to honk. _________________ 1971 Standard Beetle — fairly stock / driver
baldessariclan -- often in error, never in doubt... |
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