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High beam headlight not lighting even though it has power

This is a discussion on High beam headlight not lighting even though it has power within the Stereo and Electronics forums, part of the General Help category; I have a weird problem. TL;DR - Have power to the headlight connector but the headlight still won't light up, ...

  1. #1
    Junior Member
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    2001 WS6

    High beam headlight not lighting even though it has power

    I have a weird problem.

    TL;DR - Have power to the headlight connector but the headlight still won't light up, even though it lights from the other side's connector

    I tried to replace my high beam on my 01 WS6. The socket that my driver's side high beam connects to was really corroded so I sprayed some pb blaster in it to clean it up a bit. Tried the new headlight and it didn't work, so I tested the headlight on the passenger side's socket and it lit up. So the bulb is good. I checked the corroded socket with a voltmeter and it had power.. but the headlight won't work when plugged in to it. I figured it had to be something to do with the corrosion in the socket so I cut the wires going in to it and checked them on it and it still won't light. I rechecked the wires with the voltmeter, still had power, and rechecked the bulb with the passenger side's socket, still lit up.

    I'm at my wit's end. I figure there's something simple here that I'm missing, but I can't figure it out. Can anyone help?

  2. #2
    expensive tires az gt eater's Avatar
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    The ground is where I would look. That is usually the problem. Beyond that, I wouldn't know.

  3. #3
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    thanks for the help but I got it. It was something to do with the prongs from the headlight not conducting electricity. After I plugged it in like 7 times it finally came on and has worked since.

  4. #4
    expensive tires az gt eater's Avatar
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    That was what I was just gonna suggest. The plugs on our cars are weird sometimes. You have a problem, unplug and replug a couple times. Had that happen on the fuel injectors once that was memorable. I took out the intake, put it in, it threw a code. I unplugged and replugged til it stopped throwing codes.

  5. #5
    Senior Member JayTA98's Avatar
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    it is possible that you have or had corrosion inside the prongs. After plugging the headlight on and off you finally made good contact. If it happens again I will suggest to replace the plug.

  6. #6
    Senior Member bigrondownhiller's Avatar
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    To help protect it from future corrosion put some dielectric grease on the connections.

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