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10-23-2019, 08:22 PM | #1 |
Senior Member
Join Date: Apr 2019
Location: Mt. Pleasant, SC
Posts: 601
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Horn/headlight switch issue
On a short drive at dusk this afternoon, with the headlights on, the horn blew spontaneously several times - I did not press the horn button. After turning the headlights off, the problem stopped.
Has anyone had this issue before ? Any idea what is causing this ?? Thanks - JIm |
10-24-2019, 08:34 AM | #2 |
Senior Member
Join Date: May 2010
Location: North Carolina
Posts: 611
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Re: Horn/headlight switch issue
Jim,
The end of the horn/light rod is part of the horn circuit. The very bottom of the rod, presses onto a little brass "button" inside the switch. There may be a little bend to the bottom of your rod, or the brass button is a little off, so what happens is that when you turn your lights on, the position of the horn rod contacts changes a little bit and grounds which allows the horn to go on. Check the alignment of everything and see if the bottom of the horn rod looks like it has a bend in it when you turn it around. |
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10-24-2019, 08:36 AM | #3 |
Senior Member
Join Date: May 2010
Location: La Mesa Ca
Posts: 1,166
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Re: Horn/headlight switch issue
The center spring contact on the harness contact plate is the hot wire to the horn. It goes up through the top rotating plate of the light switch and sometimes contacts the surrounding metal. A short piece of shrink tubing round the spring should insulate it, leave the top of the contact open.
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10-24-2019, 04:36 PM | #4 |
Senior Member
Join Date: Apr 2019
Location: Mt. Pleasant, SC
Posts: 601
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Re: Horn/headlight switch issue
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Thanks for the tip ! |
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