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Unread 04-05-2012, 09:23 PM   #1
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Default Changing 4 headlights to 2

helping Work on a mid 80's caprice classic which has 4 headlights 2 High and 2 low. when the highs are on the lows would stay on.

Switching the stock set up to only 2 headlights. Halogen light bulb with the high and low built into the one bulb. Stock 5th gen camaro.

have both headlights hooked up. with the lows on the lights are very dim and there is voltage going to the high beam wires.

also when only the lows are on the light on the dash that comes on with the high beams is on dimly. (probably a voltage feedback)


when the high beam wires are unhooked then the light for the high beam on the dash goes out.


are we missing something? possibly a relay?

any help would be great. thanks
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Unread 04-05-2012, 10:38 PM   #2
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A lot of headlights operate backwards meaning switch triggers ground and has constant power. Did you check the operation before cutting and splicing. If I'm not mistaken on a holagen both lights stay lit when highs or activated.
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Unread 04-05-2012, 10:40 PM   #3
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Also you could wire in relays for both high and low beams.
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Unread 04-05-2012, 10:51 PM   #4
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Quote:
Originally Posted by lautinjr View Post
A lot of headlights operate backwards meaning switch triggers ground and has constant power. Did you check the operation before cutting and splicing. If I'm not mistaken on a holagen both lights stay lit when highs or activated.
LOL. We determined which lines were the highs and lows then cut.

So if both parts of the the light stay on when the highs are on would you hook the line from the high to both the high and low line to bulb.

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Originally Posted by lautinjr View Post
A lot of headlights operate backwards meaning switch triggers ground and has constant power.
what has constant power? when headlights are off everything is dead.
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Unread 04-05-2012, 10:58 PM   #5
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here is what i came up with as a diagram but maybe im missing something on this as well.

untitled.jpg
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Unread 04-06-2012, 06:39 AM   #6
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Lautin means that the +12v line stays connected to the head light, and a switch goes in line with the ground. But really it shouldnt matter. I think you are going to need to use some relays to get it to work correctly. And unless the bulb is designed to have both highs and lows on together, i would wire it up so they work independently, otherwise he will just be blowing lights all the time when he uses high beams.

Your diagram is right. You will just need a few high current relays to wire everything in. Shouldnt be too difficult for you.
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