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Old 04-10-2010, 02:32 PM   #1
americas911
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Headlight viagra

OK why is it everytime I pull the switch out one notch my headlights pop up like viagra at a strip joint. They dont' come on until the 2nd notch is pulled but seriously it's getting on my nerves. I rolled my GTA and the GTO with the driving lights and parking on and now I can't do it without the Vette eyeballing people. Any ideas?
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Old 04-10-2010, 02:40 PM   #2
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something ain't right...thats why.

Pulling to the first notch should anly bring on the parking lights and the fog lights (if the switch is flipped) The second notch brings up the headlights...going back to the first notch only turns off the headlights, going full back rolls them closed.

It could either be the switch in the dash or possibly the isolation relay on the front side of the driver side wheel well (there are 3 relays in there)

Has it always done this, or is this a new development?
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Old 04-10-2010, 02:42 PM   #3
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HAHAHA don't know if it's always done it the car is only 3 weeks old well at least in my driveway. Is there a way to check the switch before replacing it? I will almost bet it's the original switch.
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Old 04-10-2010, 02:44 PM   #4
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Well, just know that what you describe is not normal...time to start tracing wiring...or check for some "bubba" wiring somewhere...you'll need a Factory Service Manual and an electrical engineering degree.
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Old 04-10-2010, 03:16 PM   #5
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LMAO at the degree comment. We will see where this leads me I would really like this fixed before summer.
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Old 04-10-2010, 03:24 PM   #6
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I assume that the headlight motors are not energized until the switch is pulled full out...if you are seeing voltage there before that event, the I would THINK that would mean the switch (or some creative wiring) is causing power to be routed when there shouldn't be. There are different motors and different configurations depending on the year....so the best thing is to check your FSM and/or wait for someone more electrically inclined than I.
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Old 04-11-2010, 03:04 AM   #7
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On my '87, the digital dash will only read in metric, until I pull the lights on, then it goes to english, when I turn them back off, it goes back to metric. The switch on the control center has no effect. I have a replacement GM headlight switch in it now, the original one lit up and started smelling and smoking, probably would have had a meltdown had I not been in the car at the time. I think it is the headlight switch, in your case. Just an old mans' opinion.
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Old 04-11-2010, 07:00 AM   #8
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Originally Posted by Catman87 View Post
On my '87, the digital dash will only read in metric, until I pull the lights on, then it goes to english, when I turn them back off, it goes back to metric. The switch on the control center has no effect.
THATS bizarre!! See, told ya...ya need an electrical engineering license to figure some of this stuff out...lots of wire tracing and diagram reading.
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Old 04-13-2019, 03:53 AM   #9
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Viagra that it cool
Nice Alexander55. You come to a corvette site and search Viagra and post in a 9 year old thread. Since you are from the Ukraine, I guess you don't have much else to do except to try and spam other sites. Have fun
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