C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Apr 8, 2014 | 01:01 PM
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gellisvette
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Default headlights

When I turn on my headlights all 4 come on even when on low beam. I think it must be a ground problem but I don't know were to start.1975 corvette. Thanks in advance,George
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Old Apr 8, 2014 | 01:25 PM
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Default High beams stay on.

I'd start at the switch under the carpet. Pull the carpet back carefully then unplug the harness from the switch. Turn the lights on and see if the high beams are off. If they are then you found the problem. Check the switch for continuity with a meter by cycling the switch to see if the switch is bad.
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Old Apr 8, 2014 | 07:37 PM
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Originally Posted by Zoix
I'd start at the switch under the carpet. Pull the carpet back carefully then unplug the harness from the switch. Turn the lights on and see if the high beams are off. If they are then you found the problem. Check the switch for continuity with a meter by cycling the switch to see if the switch is bad.
If he unplugs the switch...the lights will not work at all. Power has to go through the high beam/low beam switch.

The problem is in the switch....OR...someone has gotten into the wiring and did their "own thing".

DUB
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Old Apr 8, 2014 | 11:05 PM
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Default Headlights

Originally Posted by DUB
If he unplugs the switch...the lights will not work at all. Power has to go through the high beam/low beam switch.

The problem is in the switch....OR...someone has gotten into the wiring and did their "own thing".

DUB
I've owned the car for 15yrs. No one has touched the wiring. I'll try messing with the switch. Thanks G
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