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HID + pothole = HID off. WTH?

Discussion in 'Lighting' started by MJonAgs32, Dec 17, 2010.

  1. Dec 17, 2010 at 10:20 PM
    #1
    MJonAgs32

    MJonAgs32 [OP] asphinctersayswhat?

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    Sometimes when I hit a bump or speedbump, my driver side HID bulb turns off. Usually I have to turn the lights off, then back on to have both turn on again. I find this very annoying, but even worse, sometimes I try to flick the lights off and on, and then BOTH of them don't turn on.

    Is this a sign of a bad bulb or balast? Bad connection? Ground?

    BTW these are HIDs from Slim's very first Group Buy on Toyota Nation, so 2.5 years ago.

    Any help is appreciated.
     
  2. Dec 17, 2010 at 10:32 PM
    #2
    KenLyns

    KenLyns Lord of War

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    Are these HIDs getting all their power from the stock headlight wiring or directly from the battery?
     
  3. Dec 17, 2010 at 10:34 PM
    #3
    MJonAgs32

    MJonAgs32 [OP] asphinctersayswhat?

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    The power is from the battery. They are hooked up to the driver side headlight, but only to trigger on/off.
     
  4. Dec 19, 2010 at 9:40 PM
    #4
    MJonAgs32

    MJonAgs32 [OP] asphinctersayswhat?

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    BUMP.

    Now my lights don't work at all. But I bet if I go over a big speed bump, they turn back on.

    Anyone know anything about this? Or is it time to get a new pair?
     
  5. Dec 20, 2010 at 9:40 AM
    #5
    MJonAgs32

    MJonAgs32 [OP] asphinctersayswhat?

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  6. Dec 20, 2010 at 9:41 AM
    #6
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    Have you checked all the wiring connections?
     
  7. Dec 20, 2010 at 9:47 AM
    #7
    MJonAgs32

    MJonAgs32 [OP] asphinctersayswhat?

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    Yeah. Actually the other night I went to check the fuses, hoping it was just an easy fix. I checked all of the 4 headlight fuses (R,L, & high beams) . After taking them out and puting them back in, only to see that all of the fuses were still good, my lights starting working! WTH right?

    Then 2 days later, they stopped working again. I'm stumped
     
  8. Dec 20, 2010 at 9:47 AM
    #8
    Juggernaut

    Juggernaut Captain

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    That's my guess. Good luck!
     
  9. Dec 20, 2010 at 9:48 AM
    #9
    Pugga

    Pugga Pasti-Dip Free Since 1983

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    If you can't fix it with a hammer, you have an electrical problem...

    Check your connections, usually if things go out when you hit a bump it means something is loose. Hard to tell if it's your ground or the hot wire since you need both to run the lights. I'd start with any non-factory wiring as it'll probably be easier to trace. See if any connections have corroded, wires rubbing and chaffed off their shielding, make sure grounds are tight, connections are still in tact, etc. Start with the simple stuff and go from there.
     
  10. Dec 20, 2010 at 9:50 AM
    #10
    southern_x

    southern_x NMSAF!

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    im gonna say the bulb went out, had this happen on my lancer two weeks ago, id pop in some new bulbs and try that 1st depending where you purchased them you might have a warranty on both the ballast and the bulbs
     
  11. Dec 20, 2010 at 9:52 AM
    #11
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    bad connection or ground
     
  12. Dec 24, 2010 at 10:22 AM
    #12
    MJonAgs32

    MJonAgs32 [OP] asphinctersayswhat?

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    Thanks for all the tips. I'll be working on all of this soon and I'll update how things went.
     
  13. Dec 24, 2010 at 10:25 AM
    #13
    danstacoma

    danstacoma Well-Known Member

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    sometimes it could mean the ballast too might wanna check that out maybe switch them and see if it does it too the passenger side good luck
     
  14. Dec 24, 2010 at 10:26 AM
    #14
    rmb_crew

    rmb_crew My other ride has 18,400HP!!!!!!

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    Make sure your grounds are not on a painted surface. its got to be a loose ground. I grounded mine to the same ground the stock headlights are going into.
     
  15. Dec 24, 2010 at 10:26 AM
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    mrp192

    mrp192 REALLY!!

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    sounds like you have a short.. try changing your ground.
     
  16. Dec 24, 2010 at 10:28 AM
    #16
    MJonAgs32

    MJonAgs32 [OP] asphinctersayswhat?

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    I think you guys are right about the ground.

    I know exactly where it's grounded to and it isn't a very secure spot. In fact, the HIDs in my Hellas are also not working, and guess what, also grounded to the same spot.

    Looks like an easy fix. It's just so damn hard to work on the truck during the holidays
     
  17. Dec 24, 2010 at 10:48 AM
    #17
    jtav2002

    jtav2002 Kenny Fuckin Powers

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    When I had HID's in my previous vehicle I grounded them at a bad spot and it caused all sorts of electrical abnormalities. Strangely, the HID's worked still, but the rest of my lights and stuff acted all goofy. This happened using a factory ground location.

    I'd try and find a separate ground location for the aftermarket lights if you haven't already.
     
  18. Jan 1, 2011 at 11:47 PM
    #18
    MJonAgs32

    MJonAgs32 [OP] asphinctersayswhat?

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    I just wanted to update the thread.

    It ended up being a loose ground. Easy fix. Thanks for all the help guys!
     
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