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Thread: 2002 Infiniti QX4 factory HID help

  1. #1
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    2002 Infiniti QX4 factory HID help

    Hello folks, first time poster here looking for some much needed help with an issue I am experiencing with my SUV.

    As the title suggests, I've got a 2002 Infiniti QX4 with the factory HID's. I've had the truck since day one and have never had any issues with the lights (never even changed them) until last summer when my driver's lamp began to "flicker". It would come on and stay on for 10 minutes or so and then it would go off. It would consistently go off every time I drove somewhere but the point at which it ceased to work would vary. Not knowing exactly what the problem was, I decided to replace both bulbs and go from there. After removing the battery and the air box (a total PITA just to change the light bulbs) I put the new bulbs in and all seemed to work....for a year.

    This past week the same problem has resurfaced. The light will come on and stay on for an unpredictable amount of time and then it will cut off. This is only happening on the drivers side, and I've never had an issue with the passenger lamp. This time I think it's something other than the bulbs especially since this occurred last year. Is it the ballast? If the ballast is fried and gone bad, the light wouldn't work at all, would it? Conversely, if the bulb was bad...it wouldn't work at all, either..correct?

    Without removing the airbox on the drivers side I managed to check every connection I could see to make sure something wasn't being jarred loose. Unfortunately I couldn't find any problematic areas. I then popped my hood up and turned the lights on...and I could hear the driver's side ballast "whining" and then the noise would stop...and the light would go out.

    I'm somewhat perplexed as to what I need to do. Last year I didn't turn the lights on without the car running to see if the ballast made that "whining" noise...but replacing the bulb worked for a little more than 14 months. Should I replace the ballast and go from there? I'm not that automotive savvy, and especially when it comes to lights or more specifically, HID lights and ballasts. I could probably replace the ballast myself but if that doesn't seem to be the culprit I'd rather not bother.

    FYI...the oem ballasts for my car are Matsushita hlb351d12-7 (gibberish to me). The dealer wants and arm and a leg for a replacement ballast plus labor. The entire headlight assembly is $1k plus installation...so that's not even an option. Heck, if I had to replace both of them from the dealer I might as well buy a new car!

    Any and all help appreciated.


    Tags: 2002 QX4, Infiniti, matsushita hlb351d12-7, HID problems, ballast
    Last edited by Ocky35; September 26th, 2012 at 03:15 PM. Reason: tagline to promote the TRS guys and help out other QX4 owners that are f'ed by the same problem.

  2. #2
    Senior Member HID Rookie kses123's Avatar
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    Sounds like the ballast may need replacing.
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  3. #3
    Senior Member HID MASTER wireless's Avatar
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    Well... I'm not sure how the ballasts are setup, but usually the OEM ballasts are either mounted on (or in) the housing.
    My advice? Get a new ballast (go with OEM if you can afford it) and replace it yourself. Or get an aftermarket ballast (TRS sells Matsushita ballasts here) and install it yourself (that would be my recommendation.)

    Either way, you need another headlight. My advice would be the matushita ballasts from TRS.
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  4. #4
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    I'll have to measure my ballast to see if the one from TRS will fit. Ideally I would like to get new ones but not if I have to retrofit anything. As you can see below the factory ballast is a pretty tight squeeze, so I'm not sure I'd have a lot of room to manipulate an aftermarket one anyways. I have found my ballast on eBay but there is no telling how much life is left in them.

    Thanks for the tips.
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  5. #5
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    I just realized TRS is in my hometown...so I'll stop in and see what they say.

    Thanks again!

  6. #6
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    Done and Done. TRS had exceptional service, tremendous prices, and got me out of a pinch in no time. Great company all around!

  7. #7
    Got Retrofit? Owner HID MASTER TRSMatt's Avatar
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    haha, and I was reading this thinking - wow, we're pretty familiar with these headlights now.

    Pleasure meeting and taking care of you today! thank you for your compliments


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  8. #8
    The GIF Master HID KING soulsea's Avatar
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    So what was the issue?
    How was it fixed?
    Is Matt as dreamy as he tells everyone?


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  9. #9
    Got Retrofit? Owner HID MASTER TRSMatt's Avatar
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    We replaced both ballasts by retrofitting a set of OEM Matsushita Gen V's in place of his old school Matsushita Bricks. I think the igniters were worn out, as well as a bit of corrosion on the ballast connectors themselves. The customer also had some really craptastic D2S (notched for D2R) bulbs installed by some other company which we all know Matsushita ballasts in particular don't like working with.

    The system was re-wired for the new Gen 5 ballasts, the bulbs were replaced with new 85126+ D2R's and is now working flawlessly.

    I need a haircut and a shave, but otherwise yes pretty dreamy


    2013 Lexus GS350 F Sport : Skipper Designs Front Lip : Rotiform BLQ Concave : Michelin PSS : Brembo GT 380mm : RSR Suspension : GS350/STi-R Bi-xenon
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  10. #10
    Senior Member HID KING
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    Quote Originally Posted by TRSMatt View Post
    We replaced both ballasts by retrofitting a set of OEM Matsushita Gen V's in place of his old school Matsushita Bricks. I think the igniters were worn out, as well as a bit of corrosion on the ballast connectors themselves. The customer also had some really craptastic D2S (notched for D2R) bulbs installed by some other company which we all know Matsushita ballasts in particular don't like working with.

    The system was re-wired for the new Gen 5 ballasts, the bulbs were replaced with new 85126+ D2R's and is now working flawlessly.

    I need a haircut and a shave, but otherwise yes pretty dreamy
    No pics = lies.


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