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Thread: 100watt H7 Bulbs

  
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    jran7337's Avatar
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    100watt H7 Bulbs

    Hi Guys, just a quick question, I know the standard rating for the Astra dipped beam are H7 55watt bulbs but is there any issues with using the 100watt version? i.e. will it cause electrical problems like melting wires etc? Advice appreciated

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    supersterl's Avatar
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    i think someone once said on here that the heat from them could melt your clear plastic headlight lens.. but dont quote me on this..
    Drives a 53 plate Arden Blue Zafira A Gsi 2ltr turbo...

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    Interesting, although the ad on flea bay does state they have a UV protection layer to avoid that, but still would like some more advice before I buy them.

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    You will be putting a heavier load on your wiring/fuse box as you are effectively doubling the current required by the bulbs.
    2003 Sapphire Black 3Dr DTi Astra
    Custom Irmscher kit, Interior Leather/Alcantara retrim & Alpine/Focal Install
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    scdavis's Avatar
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    you will blind other drivers.
    Why not just buy some uprated 55w bulbs (like phillips or PIAAs)?

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    Thanks for the comments guys, i'm still not sure about them and scdavis, it's not my intention at all to blind other road users, I get plenty of it myself each evening on the way home Just the 55w bulbs I have ATM are not great and I notice other road users lights a lot brighter than mine but not blindingly bright!

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    Go for HID's instead, these will have a better light output & actually draw less current than your standard 55W halogen bulbs.
    2003 Sapphire Black 3Dr DTi Astra
    Custom Irmscher kit, Interior Leather/Alcantara retrim & Alpine/Focal Install
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    58astrablack's Avatar
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    Used to be that 100W bulbs came marked as "Not for road use" or Rally use only"
    They were illegal to use on the public highway. Don't know if this still applies.

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    100w bulbs aint road legal and will put more strain on fuses, wiring etc. uprated standard 55w bulbs like philips are best bet. halfords are doing but 1 get 1 free on their extreme and super brillance bulbs. but like stated hid kits get the best results. ultra performance lighting have them at around £99 per kit at the moment i believe.

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    thanks for the further feedback guys, I've decided not to go ahead with the 100w bulbs, so am mulling over whether to go for the HID option. Seen a few kits on ebay (CANBUS compliant) for £60-£70, still not sure though!

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