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  1. #1
    Join Date
    Apr 2015
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    Surrey
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    583

    Brake/rear light.


    I have the following brake/rear light. How do I wore them so I have stop and rear light together? Any other suggestions? I am looking for small diameter lights as have remounded the rear fibreglass body and need smaller lights. I found these with matching indicator lights from CBS. But no instructions, the indicator is straightforward enough.

    Help please.
    Attached Images Attached Images
    AK Gen II

    Chevy 350

    Tremec TKO 500

  2. #2
    Join Date
    May 2004
    Location
    Finchampstead, Berkshire, UK.
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    3,589
    Aren't they single filament bulbs? If so then you are SOL I'm afraid
    GD Mk3 Jag based
    Supercharged LS1
    GD J1M

  3. #3
    Join Date
    Sep 2007
    Location
    Hilperton,Wiltshire
    Posts
    2,563
    Modern cars use a single filament bulb to do 2 things but they have a ecu to control it.
    Andy


    Dax De Dion 350 sbc

  4. #4
    Join Date
    Mar 2012
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    tintagel cornwall
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    Only way would be building a circuit with a resistor and a diode to use it .dont cbs do one with dual filament they were used on various classic cars so easy to get

  5. #5
    Join Date
    Jan 2009
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    Dronten, the Netherlands
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    345
    Should be possible I think, if you use a bright bulb (21 watt??) connected to your brakeswitch directly, and mount a resistor in your tail light feed cable so it will be maybe half as bright. I think normal taillight is 5 watts, so draws about 0,4 A, so think an additional inline resistor should be around 9 Ohm to reduce brightness by half? Your feeds for tail and stop would than be connected to one side of the lamp, other side to earth. Don't see yhe need for a diode, is there a problem in both cables to one side of the lamp and therefor to eachother? I'm not sure regulation would allow this by the way, as if your lamp is defect, you would loose both functions??

    Best Regards, Theo
    Not for the faint hearted, not for the shy...

  6. #6
    Join Date
    May 2004
    Location
    Perth
    Posts
    4,583
    I'm afraid you've been sold a pup! The light you have is only suitable for use as a brake light. Have a look here and choose a Stop & Tail from here. http://www.s-v-c.co.uk/category/single-lenses/
    Cheers, Clive

    (If I'm not here, I'm either in my new workshop or on the golf course!)

  7. #7
    Join Date
    Dec 2012
    Location
    cornwall
    Age
    41
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    512
    i havent seen a dual filament bulb for that fitting for a long time.
    DAX DE DION

    "Powered By Ford"

  8. #8
    Join Date
    Dec 2012
    Location
    cornwall
    Age
    41
    Posts
    512
    needs to be double wired for stop and brake circuit. thats a single circuit lamp unit.
    DAX DE DION

    "Powered By Ford"

  9. #9
    Join Date
    Apr 2015
    Location
    Surrey
    Age
    34
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    583
    Thanks guys, didn't get any email notifications so didn't realise anyone responded. My mistake ordering the wrong part again!! Ordered stop and tail light now!!

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