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Thread: number plate and side light bulbs

  
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    c9rum's Avatar
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    number plate and side light bulbs

    is there any white led bulbs off the shelf that will work on the mk5 canbus?
    or will i need to fit resistors ?if so anone know what resistors i need ?

    thanks

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    iirc if the wattage is the same then they should work.

    if not then a small resistor should do the trick

    HTH

    Steve
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    rburgring - 10:55

    Scottish Region

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    Quote Originally Posted by ssa17WS View Post
    iirc if the wattage is the same then they should work.

    if not then a small resistor should do the trick

    HTH

    Steve
    Ive just bought some LED festoons from ultraleds.co.uk and put them in my front courtesy light and boot, except the boot one will not work, just flickers and then shuts down. I take it this is the canbus system shutting it down.??
    Also, does the same problem happen with the sidelights and no. plate lights ne1??

    If a resistor is the answer, how and what!!!!!

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    yeah the flickering of the light then it going out is the canbus system stopping the power going to the bulb.

    what wattage is your blubs that your are replacing and what wattage is the LEDs your replacing them with?

    Steve
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    rburgring - 10:55

    Scottish Region

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    If they were originally 5 watt bulbs then the resistance that works is approximately 55 ohms I did it by using a 22 and a 33 ohm resister in series (as it worked better for the application). If you get a different value of resistance, go up rather than down (for safety)

    Make sure the resisters have a decent power rating (I used 10 watt power handling ones)
    2006 Astra VXR on 19's in Arden Blue
    ExhaustsUK Catback, Eibach Sportlines, DS Ultima, Roose hose kit, Forge recirculating dump valve, Full self modded SMD conversion

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    The original bulb was a 42mm 10watt festoon (boot light). Its been replaced with a 6SMD LED unit, at 110mA, producing an equivalent to 11watt light output. Dunno nething else.

    The same led unit was used in the front courtesy light, plug n play no probs (maybe too bright??!!)

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    hey erm i'd jus like to say, i've tried fitting sidebulbs in the 07astra and they just keep shutting off on me.. i'm not too good with the electrics so could anyone tell me in simple terms what i need to do to get them working because vauxhall are no help.. could u either personal message me bk or email me please its tingle_101@hotmail.com... any help would be great.. you probably all think im simple minded but i'm new to the modifying...
    Live Life... No Regrets

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    ive replaced my side lights with SMD LED's and they work fine, ive also put the same ones in my rear courtesy light.

    WARNING: these will not fit in the front map reading lights
    (part of the front courtesy light unit)

    http://www.ultraleds.co.uk/501194t10...te-p-1545.html

    ive also replaced my front festoon courtesy light and glovebox bulb with this:

    http://www.ultraleds.co.uk/42mm-leds...te-p-1488.html

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    so far...

    ive done the same as the guy below, got the SMD festoon in the front courtesy and glovebox. boot wont work without resistors, which im trying to sort atm. i replaced the maplights with blue single smds, work fine and the rear courtesy lights with the 9smd white ones from ultra leds, they both work fine but i modified the light unit to include a sort of foil reflector, as most of the light is lost without them. i also used the same leds for the number plate lights, no probs there. the only issues i have are with the boot light nd the common one, the front sidelights, which ive decided to leave as they keep the 'colour' the same as the headlights (halogens). id really like to change the locator lighting and dash lights to blue, but im hearing too many horror stories and im not so sure...

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