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Thread: Light bar on an atc 250r

  1. #1
    Join Date
    Apr 2017
    Location
    Thunder bay, ON
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    19

    Light bar on an atc 250r

    So I read a post on here about a bunch of steps required to wire up a light bar to a bike without a battery. Couldn't you just skip all those steps and wire to the existing headlight wiring using a relay?

  2. #2
    Join Date
    Jul 2012
    Location
    Joplin, MO
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    597
    The atc 250r puts out ac and light bars need dc. That is why a battery or floating the ground and the use of diodes is needed.

    You can use the stock wiring and it may work, for a little while until it burns out. I have tried the headlight plug and when revved up, the light goes out. I have used the taillight plug, and it worked, for a while. Now I just use a small battery in the airbox.

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  3. #3
    f76's Avatar
    f76 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Jun 2014
    Location
    South Dakota
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    323
    LED light bars require regulated DC voltage. Liquid R's at least have a regulator (pretty sure anyways, correct me if I'm wrong) so you won't run the risk of sending too much voltage through it. But if it is an air cooled R and you simply hook up a light bar, you will fry it once you rev it up as they do not have a voltage regulator.

    Do it right and convert the lighting circuit to dc voltage and use a small battery or large capacitor.


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