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Registered
Join Date: Sep 2013
Location: Huntsville, AL
Posts: 621
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Bizarre Headlight Problem
Just recently, when I turn on my headlights, the wipers turn on with it. Sometimes the wipers will spontaneously turn off, sometimes they stay on until I turn the lights off.
I have LED headlights, but they've been in for over a year and it's never happened before. Has this ever happened to anyone else and how in the world would the two even be related?
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1986 911 3.2 Cabriolet "We all have a desire to create something that will show we were here. " Ferry Porsche |
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09-24-2017, 10:41 AM
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Join Date: Jan 2009
Location: Marietta, Ga (Atlanta)
Posts: 2,970
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Had a similar problem with the wipers coming on sporatically, except mine did it when I used the turn signals. Did a lot of trouble shooting with a power probe, and found it was a ground loop problem. The cause was
a poor ground on a corroded wire in the "wire stack" located under where the battery negative cable mounts to the body. Cleaned up all the connectors and the problem was fixed! Take a look, clean up the connectors and you might fix it. Ground loop problems can cause many unexplainable things.
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'80SC Widebody 3.6 transplant Anthracite "The Rocket" Long gone but still miss them all: '77 911 Targa, '72 BMW 3.0CS Coupe(finest car I ever had!) '71 911T Coupe White, '70 911T Coupe Blue '68 911 Coupe Orange, '68 911L Soft Window Targa |
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09-24-2017, 11:57 AM
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Join Date: Sep 2013
Location: Huntsville, AL
Posts: 621
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Ahh, you know, I had removed an old stereo wire from the big negative mount near the battery a couple of days before I noticed it! I could have messed with the connections without realizing it.
I will definitely start there! Thanks for the tip!
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1986 911 3.2 Cabriolet "We all have a desire to create something that will show we were here. " Ferry Porsche |
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09-24-2017, 12:43 PM
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Registered
Join Date: Sep 2013
Location: Huntsville, AL
Posts: 621
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That was it! Cleaned up the connectors on the main ground terminal and all is right with the world of headlights and wipers!
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1986 911 3.2 Cabriolet "We all have a desire to create something that will show we were here. " Ferry Porsche |
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09-25-2017, 01:52 PM
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