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4666 sealed beam and 9007 H4 connectors

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Old 01-06-2008, 04:42 PM   #1
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Lightbulb 4666 sealed beam and 9007 H4 connectors

Bought H4 conversion kit and installed them with Sylvania Silverstars H4 9007. During installation I had to change the 4666 connector to the 9007 which was no big deal. However I assumed that the 4666 connector which has a crooked 3rd pin wired the same as the 9007 which has a strait 3rd pin.
In short I put pin 1, 2 and 3 on the 4666 to pins 1, 2 and 3 on the 9007.

Was I wrong to do this? The reason I ask is because when I turn the lights on the hi-beam lamp on the dash comes on for both high and low beams. As well I have very, very little light with low beams and plenty of light on high beams (bigger difference than usual). I know that one problem is that the spagetti stock wiring is dropping too much voltage but that does not explain the indicator light. Does anybody know the correct wiring for the 4666 and 9007 (according to pin number, wire color and hi/lo beam and ground).
Thanks for any help!
Old 01-07-2008, 09:08 AM   #2
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Re: 4666 sealed beam and 9007 H4 connectors

Sh*t, they are not 9007 bulbs, they are 9003's. My mistake.
Old 01-07-2008, 09:29 AM   #3
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Re: 4666 sealed beam and 9007 H4 connectors

sounds like you have the positives backwards...... i know it will do that with normal taillight and turnsignal bulbs too....

try swapping the positives
Old 01-07-2008, 11:36 AM   #4
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Re: 4666 sealed beam and 9007 H4 connectors

Looks like I got it all f****d up. After hours of searching I came across a few things, just to help anybody else out...

Green Wire = High Beam
Tan Wire = Low Beam
Black Wire = Common

http://www.s10forum.com/forum/f62/se...-inside-18068/

http://www.s10forum.com/forum/f62/he...version-17204/
Old 01-07-2008, 04:29 PM   #5
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Re: 4666 sealed beam and 9007 H4 connectors

I was gonna chime in, but it looks like you've cleared up your own question...how'd it turn out?
Old 01-08-2008, 07:00 AM   #6
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Re: 4666 sealed beam and 9007 H4 connectors

They work great now. They do give off a bit more light that the sealed beams but I haven't upgraded the harness yet. Bought the kit from LMC truck, it was $30 so you can't go wrong, easier than mocking up your own relay system and harness. If anyone has an H4 conversion kit and it doesn't give off much light check your wiring because if you mix them up they will still work but they won't give much light. That was my problem .
Old 01-08-2008, 04:48 PM   #7
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Re: 4666 sealed beam and 9007 H4 connectors

That was the problem I originally had too, in fact that first thread you linked to was the one I used to figure out my problem.

I'm just geeked b/c my h4 xenon conversion is in the mail, as we speak. The original h4 conversion was a good upgrade in terms of light output, but I'm still wanting more. The only thing funky is that if you ever decide to upgrade to the xenon (or bi-xenons, if you plan to keep the high beams) you'll need to disable the drl's.

(sorry to jack your thread. Here. you can have it back now. )
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