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Thread: Problem Fitting HID Bulbs??

  1. #1
    Regular Member bonneyboy's Avatar
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    Default Problem Fitting HID Bulbs??

    Hi guys,

    I have bought some Xeon bulbs for my vectra, the problem i'm having is that it doesn't look straight forward in changing the bulbs over, do i have to take out the light panel on the car to fit them or is there a way in so i can just swap the bulbs over??

    Its the facelift model vectra with the new lighting.

    Thanks

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    When you say you have the "new lighting", do you mean the new shape lights? Or do you mean you already have the AFL xenon lights and you are just trying to replace a failed bulb?

    Assuming you don't already have HID lights and you are trying to upgrade from the halogen bulbs, then it's not difficult but not as easy as just replacing a bulb either. With the existing bulb, all the wiring is tucked inside the back of the headlight and hidden by the rubber or plastic bulbcap; with the after-market HIDs, wires will need to protrude through the bulb cap, so you need to cut or drill a hole in them to feed the wires through. These same wires will also make the existing silver bulbholders difficult to use, as they don't contain a slot to pass the wires through - you'll either need to cut a slot in them, or the better kits come with replacement bulbholders that already have slots.

    So, HID bulb gets inserted into replacement or modified bulbholder; bulbholder gets clipped back into place; plug the existing electrical connector into the HID bulbs, thread the extra wires (the ones the halogen bulbs don't have) through the hole you'll have cut in the rubber/plastic bulb cap, push the bulb cap back into place (rain gets in the headlights if you leave it off), then connect these "extra" wires to the rest of the HID kit (i.e. the ballast box).

    You're all set apart from securing the ballast boxes somewhere safe - i.e. don't leave them supported only by the wiring.

    On the prefacelift models, all of this can be done without removing the headlights, and managing just by removing the windscreen washer filler neck on the passenger side, and the airbox on the driver's side. On the facelift models, I don't know whether that's still feasible or whether you do need to remove the headlamps after first removing the bumper.

  3. #3
    Regular Member bonneyboy's Avatar
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    Hi, thanks for the advice. All i have is some HID bulbs that i bought from ebay to replace the standard bulbs i have already, the package that came were just 2 Xeon buklbs so i am under the impression that i just need to swap the bulbs over (take one out and put one in).
    The problem i have is that i dunno how to get to the part where i can remove one bulb from either side of the car. i thought that i have to take the full headlight off the car to replace the bulb.

    Hope this makes sense??

    Karl

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    Do you have Xenon/HID lights already though? If you don't, then you've only got part of the required kit if all you've bought from eBay is two bulbs. HID bulbs need 23,000 volts to work - that's what the ballast boxes generate, and if you're replacing standard/Halogen bulbs with HID ones and no other parts, then you're connecting 23,000 volt bulbs to a 12v supply, which means they won't work at all.

  5. #5
    Regular Member bonneyboy's Avatar
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    so i take it then these bulbs should go back. i was under the impression i could install them and away we go.
    Great advice thanks. luckily to saved my car from blowing up.
    Thanks

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    Regular Member blues n twos's Avatar
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    I think what you have done is bought some bulbs that are advertised as "Xenon" but are actually just brighter replacements with a misleading name.

    Actual Xenon replacement kits come with two bulbs, two ballasts and two spark capacitors that generate 150000 volts to ignite the HID bulb.

    They are all pre loomed ready to fit with minor adjustments in bulb housing sometimes required.

    Jon

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    Regular Member blues n twos's Avatar
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    This is what a proper kit looks like.



    Jon

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    Regular Member RMJonny's Avatar
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    Hi, i have just bought a HID kit like the one pictured. Do i need to cut away at my actual headlight or buy new bulb holders to fit my 08 veccy? Also, i have read you need to make slits in the rubber bung at the back of the headlight, whats the best way to waterproof this once the wires are fed through.

    TIA

    Jonny

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    Vehicle : Vauxhall Astra-J

    Trim : Elite

    Engine : 2.0 CDTi

    Year : 2013

    Default

    The bulbs should just clip in where the old ones used to go.

    Rubber bung? You should have a removable rigid plastic cover that you need to cut a 20 or 22mm hole in and then insert the large rubber grommet that is supplied with the kit that the wires feed through.

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    Regular Member RMJonny's Avatar
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    Im with you now Dave. Cheers for that!

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