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  1. #1
    Senior Member nfpgasmask's Avatar
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    Headlight bulbs keep burning out!

    OK, so hopefully some of you guys on here can tell me what's going on. First off, my Tdub is not stock, the headlight on my bike is as such.

    Since I finished my bike, I have had chronic problems with the headlight bulbs burning out. I have gone through no less than four. At first, I thought it was the cheap headlight housing, which I suppose could be it. I was thinking the heat is frying the bulbs. I drilled some air holes in it and that didn't help at all. I tried 3 different brand bulbs and still, same thing. I can run with the light on and it will blow, then switch to highbeam and after a day or two of riding, it will also blow.

    Any ideas? I have read that it could possibly be a voltage regulator problem?

    My bike is a 2009 with about 2500 miles on it. Thanks for the help.

    Bart
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    Last edited by nfpgasmask; 06-26-2015 at 10:25 PM.

  2. #2
    Junior Member Dustin's Avatar
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    Did you rewire or remove anything?

    What bulb are you using? H4?

  3. #3
    Super Moderator littletommy's Avatar
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    It may just be getting too hot. Some after market units have fans in them to help not blow the bulbs.
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    Senior Member nfpgasmask's Avatar
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    Quote Originally Posted by Dustin View Post
    Did you rewire or remove anything?

    What bulb are you using? H4?
    No, the wiring harness is stock. I am running a small Antigravity battery under the seat. And yeah, I believe that's right, H4, but I will have to check now that you mention it. I know I have tried a few different brands and I tried a couple with lower wattage. Same thing happens.

    Quote Originally Posted by littletommy View Post
    It may just be getting too hot. Some after market units have fans in them to help not blow the bulbs.
    That was my initial thought. But I guess I don't get how it was fine in stock form and now with the new little headlight it constantly burns out. I even drilled a bunch of air holes through the back of the housing, no change.

    This makes me wonder, are there LED bulbs that I could swap in relatively easily? Something with a high/low beam? I would think this would fix the issue.

    Thanks.

    Bart

  6. #5
    Senior Member nfpgasmask's Avatar
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    Maybe something like this I could try?

    http://www.amazon.com/Motorcycle-War.../dp/B00LMEQWMI

    Bart

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    Super Moderator littletommy's Avatar
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    I don't have an answer for you Bart. Hopefully someone will though for you. You haven't been around for a while have you? I always liked your bike bro!!
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    John 3:16
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    John 3:17
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  8. #7
    rbm
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    I think the LED would most likely solve your issue. Have you taken any voltage measurements?

  9. #8
    Super Moderator Purple's Avatar
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    What wattage are you using ?
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  10. #9
    Junior Member Dustin's Avatar
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    Quote Originally Posted by nfpgasmask View Post
    No, the wiring harness is stock. I am running a small Antigravity battery under the seat. And yeah, I believe that's right, H4, but I will have to check now that you mention it. I know I have tried a few different brands and I tried a couple with lower wattage. Same thing happens.


    That was my initial thought. But I guess I don't get how it was fine in stock form and now with the new little headlight it constantly burns out. I even drilled a bunch of air holes through the back of the housing, no change.

    This makes me wonder, are there LED bulbs that I could swap in relatively easily? Something with a high/low beam? I would think this would fix the issue.

    Thanks.

    Bart
    The cyclops led works well and has a built in fan, I have it mounted in an old British style bucket. Pro cycle carries it, I think it's on the tw page. I'm hesitant to recommend that as a fix though at $60 or so a pop. I would get a multimeter and start looking around for anomalies on the bike starting at the headlights leads.

    I've swapped to all LEDs and haven't burnt anything out.

  11. #10
    Senior Member nfpgasmask's Avatar
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    Thanks, guys. I will check the voltage and see what's going on. How would that get messed up though?

    Bart

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