True Correct Fog Light Lights Bulb Number?
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Cadillac STS-V Series Forum Discussion, True Correct Fog Light Lights Bulb Number? in Cadillac V-Series Forums; I need new HID fogs for my V. The ones I have now are going out/flickering. The problem is I ...
  1. #1
    550HP STSV Guest

    True Correct Fog Light Lights Bulb Number?

    I need new HID fogs for my V. The ones I have now are going out/flickering.

    The problem is I cannot remember what the CORRECT part# is. After searching the forum, I see 880, 886, and H3-55W.

    Does anyone know the CORRECT, TRUE part # for our fog lights?


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  3. #2
    CMNTMXR57's Avatar
    CMNTMXR57 is offline Cadillac Owners Connoisseur
    Automobile(s): 2006 STS-V, 2004 Pontiac GTO, 1999 Chevrolet Suburban LT 4x4
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    Re: True Correct Fog Light Lights Bulb Number?

    9145’s. They are regular halogen capsule bulbs not HID’s. The only HID on this car is the D1S low beam bulbs.

  4. #3
    550HP STSV Guest

    Re: True Correct Fog Light Lights Bulb Number?

    Thanks for the response. I am converting my factory fog lights (most bottom light on bumper...) to HIDs. Are you sure they are 9145s? I dont ever remember ordering that...

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  6. #4
    550HP STSV Guest

    Re: True Correct Fog Light Lights Bulb Number?

    Ahh Ok, I see. It appears as if 9145/H10/9005 are all the same. Is this true?

  7. #5
    CMNTMXR57's Avatar
    CMNTMXR57 is offline Cadillac Owners Connoisseur
    Automobile(s): 2006 STS-V, 2004 Pontiac GTO, 1999 Chevrolet Suburban LT 4x4
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    Re: True Correct Fog Light Lights Bulb Number?

    I wasn't sure in your original post, if you meant you were converting them to HID's.

    Yes, I've already replaced one on mine and stocked up on a few extra 9145's because typically when one goes, both go. But so far, the other hasn't. I guess I'm spoiled compared to my Bonneville GXP before it, in that getting more than a month of life out of an H3 bulb in the fog light of that car, you were on borrowed time.

    I can't speak to the conversion. If a 9145 converts to a 9005, look into an HIR bulb instead. I can never remember if it's an HIR-1 or an HIR-2, but I think an HIR-1 (you may also see it referred to as a 9011), is the equivalent to a 9005. You may have to grind down the tabs on the bulb a little, but that bulb will generate about 2,500 lumens (I think, memory fails me right now) of light output vs. what, 1,900 on a 9005? It has a kelvin rating of 3,600k and may not look completely "HID" (Our D1S's are 4,300k), but certainly performs a heck of a lot better than a 9005 without the cost of going full HID.

    GM uses them as high beam applications in many vehicles, including my aforementioned Bonneville. I also converted the low beam 9006's to HIR-2's.

    With that said, when I convert to 6,000k D1S bulbs in my low beams, I plan on doing HIR-1's (already have them waiting) in my highs, replacing the stock 9005's.

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