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Old Apr 23, 2007 | 09:19 PM
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MY LOW BEAN HEAD LIGHT WAS OUT SO I REPLACE IT THE ONLY WAY IT WORKS IS IF THE HIGH BEAMS ARE ON THEN THEY ALL WORK LOW BEAM ON JUST ONE WORKS WHATS UP WITH THAT ?
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Old Apr 23, 2007 | 09:22 PM
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Just to clarify, the low beams are outside and the high beams are inside. On low settings, only the inside bulbs are lit. When brights are activated, all four are lit.

Which of the two are lit when high beam is activated?

It's either a bad headlight, or you installed a high beam headlight into the low beam housing.

Last edited by Durango_Boy; Apr 23, 2007 at 09:26 PM.
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Old Apr 23, 2007 | 09:24 PM
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huh???
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Old Apr 23, 2007 | 09:27 PM
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On low beam you should have the two outside bulbs lit. On high beam you should have all four beams lit. If this is not the case, I would say you have a bad bulb in the bunch.
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Old Apr 23, 2007 | 09:44 PM
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They Are All Brand New They All Light When High Beams Are On Only One On Low Beams
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Old Apr 23, 2007 | 09:48 PM
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Originally Posted by CLINTR79
They Are All Brand New They All Light When High Beams Are On Only One On Low Beams

Okay, but which ones?
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Old Apr 24, 2007 | 07:30 AM
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THE DRIVERS SIDE OUTSIDE ONE DOES NOT WORK UNTIL YOU PUT ON HIGH BEAMS THEN ALL FOUR WORK
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Old Apr 24, 2007 | 07:35 AM
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Originally Posted by CLINTR79
THE DRIVERS SIDE OUTSIDE ONE DOES NOT WORK UNTIL YOU PUT ON HIGH BEAMS THEN ALL FOUR WORK

Pull that bulb back out. Check to make sure it has three prongs and not two. Then, try it again. If it still won't light properly, take it back and get another new one. I have bought bad new bulbs before.
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Old Apr 24, 2007 | 09:18 AM
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It Is A Three Prong It Works When The High Beams Are On So It Shouldn't Be Bad A Mechanic Said It Might Be The High Low Beam Switch That Is What Determins What Lights Are On But I Not A Mechanic So I Don't Know
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Old Apr 24, 2007 | 12:40 PM
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Not the switch if one of the bulbs works on low ... switch controls both.
I would put my money on a corroded terminal at the connector.
Try pulling off/pushing on thye connector a few times to clean it up.
If that doesn't do it, it could be a bad bulb or broken/loose wire.
There are two filaments inside, so working on HI doesn't guarantee working on LO.

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Old Apr 24, 2007 | 12:45 PM
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Put it on the other side and see if it lights up. That's a good start.
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Old Apr 24, 2007 | 12:54 PM
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Originally Posted by CLINTR79
It Is A Three Prong It Works When The High Beams Are On So It Shouldn't Be Bad A Mechanic Said It Might Be The High Low Beam Switch That Is What Determins What Lights Are On But I Not A Mechanic So I Don't Know

This statement is wrong! The high beam blubs have two filaments in them one for high and one for low, if the high works and the low doesn't, the blub is bad, burned out low filament.

Do this swap, try the passenger side on the drivers side, if both work, it is the blub, new or not.
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Old Apr 24, 2007 | 12:57 PM
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Yep
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Old Apr 24, 2007 | 01:39 PM
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Hey thanks to everyone it was the connection i cleaned out the connector and it works fine thanks again for saving me money
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Old Apr 24, 2007 | 04:36 PM
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Originally Posted by Durango_boy
Just to clarify, the low beams are outside and the high beams are inside. On low settings, only the inside bulbs are lit. When brights are activated, all four are lit.

Which of the two are lit when high beam is activated?

It's either a bad headlight, or you installed a high beam headlight into the low beam housing.
My 76 is just the opposite, low beams on, inside bulbs burn, high beams on, all four burn! The wiring harness looks to be original, but the 3 prong connectors are on the inside and the two prong connectors are on the outside. I can't tell if Bubba switched these or not.
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Old Apr 24, 2007 | 04:43 PM
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Originally Posted by ccs96
My 76 is just the opposite, low beams on, inside bulbs burn, high beams on, all four burn! The wiring harness looks to be original, but the 3 prong connectors are on the inside and the two prong connectors are on the outside. I can't tell if Bubba switched these or not.

I think Bubba had something to do with that. He probably liked the Saturn cross-eyed look GM came out with.
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Old Apr 24, 2007 | 04:46 PM
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Originally Posted by Durango_boy
I think Bubba had something to do with that. He probably liked the Saturn cross-eyed look GM came out with.
The only problem is, the wiring harness looks to be unmolested! I don't drive much at night and just recently discovered this little anomoly.
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Old Apr 24, 2007 | 05:16 PM
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Originally Posted by ccs96
The only problem is, the wiring harness looks to be unmolested! I don't drive much at night and just recently discovered this little anomoly.

If it doesn't bother anything I see no reason to change, but to my knowledge, no Vette ever had that configuration stock.
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Old Apr 24, 2007 | 05:23 PM
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It seems to work fine. To on coming traffic the vette probably looks real narrow
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