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Old 09-11-2017, 06:33 PM   #1
chad64chevy
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LMC HD headlight harness relay kit help!!

so I have a LMC HD headlight relay harness kit and it has a three prong plug in and our trucks have only two wires a tan wire and a green wire! has anyone wired one up to work with our trucks?? in the LMC harness each light has a yellow wire and a blue wire going to it, they then go to two relays one for low beams and one for high beams, both yellow wires go to one relay and both blue wires go to the other! there's a blue wire with white stripe that join both relays a white wire comes off one relay and a brown wire off the other then the brown, white and blue wire with white stripe go to a three prong connector to plug into the trucks harness and I can't figure out what wire goes where!

my thinking is the blue wire with white stripe is a ground and the white and brown wire would plug into the trucks harness, just not sure any help would be great I figured I would ask here cause this is a 66 truck i'm adding the harness too, thanks guys
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Old 09-11-2017, 07:48 PM   #2
LostMy65
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Re: LMC HD headlight harness relay kit help!!

Would any of these threads help:
http://67-72chevytrucks.com/vboard/s...d.php?t=426781
http://67-72chevytrucks.com/vboard/s...d.php?t=587476
http://67-72chevytrucks.com/vboard/s...d.php?t=637830
http://67-72chevytrucks.com/vboard/s...d.php?t=397695
http://67-72chevytrucks.com/vboard/s...d.php?t=408102
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Old 09-11-2017, 08:47 PM   #3
rvrfoot
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Re: LMC HD headlight harness relay kit help!!

You dont have 3 black is the ground?
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Old 09-11-2017, 09:40 PM   #4
chad64chevy
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Re: LMC HD headlight harness relay kit help!!

the three prong plug i'm talking about is not the ones that go on the bulbs themselves it's the three wire prong they want you to connected into the factory two prong green and tan wire going thru the radiator support on the driver side!
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Old 09-11-2017, 10:10 PM   #5
Mack B
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Re: LMC HD headlight harness relay kit help!!

Quote:
Originally Posted by chad64chevy View Post
the three prong plug i'm talking about is not the ones that go on the bulbs themselves it's the three wire prong they want you to connected into the factory two prong green and tan wire going thru the radiator support on the driver side!
not sure if this is the same kit, but here is a tread on making a lmc kit work.
http://67-72chevytrucks.com/vboard/s...d.php?t=397695

Edit: sorry, I see lostmy65 already posted this one.
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Old 09-11-2017, 10:40 PM   #6
bpmcgee
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Re: LMC HD headlight harness relay kit help!!

Chad,

If you have a picture of the relay and the wiring harness I could probably help you figure it out.

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Old 09-12-2017, 12:08 AM   #7
rvrfoot
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Re: LMC HD headlight harness relay kit help!!

Should be no problem just need to wire in the relays.
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