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LED light bar install

This is a discussion on LED light bar install within the Viking General Discussion forums, part of the Yamaha Viking Forums category; Hey guys I'm new to UTVs and to this forum! I just installed a new 42" 240w light bar and noticed a large pull on ...

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Thread: LED light bar install

  1. #1
    Junior Member LEJ4x4's Avatar
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    LED light bar install

    Hey guys I'm new to UTVs and to this forum! I just installed a new 42" 240w light bar and noticed a large pull on the battery. Has anyone ran into this? I was considering installing a second. Any info?

  2. #2
    Senior Member JSprinkle's Avatar
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    I have a 40" light bar, stereo and a winch and still run at 13 volts at idle. When I am running it jumps back up to 14 volts and that's with the stereo cranked pretty loud
    2014 Red Viking
    3" strong made lift
    30" STI Outback Max tires
    14" STI HD4 wheels
    40" light bar
    3500 lb warn winch
    Kenwood in dash stereo
    Kicker speakers
    Rockford fosgate punch subwoofer
    Rockford fosgate punch amp
    Sound Dampening Kit

  3. #3
    Senior Member Mass-n-trash's Avatar
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    Quote Originally Posted by LEJ4x4 View Post
    Hey guys I'm new to UTVs and to this forum! I just installed a new 42" 240w light bar and noticed a large pull on the battery. Has anyone ran into this? I was considering installing a second. Any info?
    That's a ton of watts for just one 40" light...even more than some 50" bars. Did it actually list an amp reading? Your battery should still handle it fine unless you have a bunch of other accessories. FYI" Your stator is putting out approx 500 watts (36.4 amps) at high rev's.
    So you have to take this into account...
    Tail lights: 10 watts
    Brake lights: 42 watts
    Head lights: 70 watts
    Ignition, gauges and 4wd switching: 10-30 watts
    Fan: 75 watts
    Your light bar: 240 watts (this seems high)
    = 467 watts
    Then you might add...
    EPS: not sure on this ???
    Stereo: ???
    Heater: ???
    Don't ever run your winch with your light bar on!

    You just need to be aware that your light bar is using 50% of what your stator has available...and you could be using another 200ish watts at night at any given time (if everything is on at the same time). Remember, that 500watt rating goes down at lower rpm's. You wont be able to tell if your headlights are even on when your lightbar is on, so you can turn those off and that will save you 70 watts. But, without your headlights on, you will have no tailights.
    Last edited by Mass-n-trash; 02-18-2015 at 09:58 PM.
    LEJ4x4 likes this.

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  5. #4
    Senior Member JSprinkle's Avatar
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    My bar is also 240 watts. Still no problems with everything on.
    2014 Red Viking
    3" strong made lift
    30" STI Outback Max tires
    14" STI HD4 wheels
    40" light bar
    3500 lb warn winch
    Kenwood in dash stereo
    Kicker speakers
    Rockford fosgate punch subwoofer
    Rockford fosgate punch amp
    Sound Dampening Kit

  6. #5
    Enjoying my Viking Robleticia's Avatar
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    same bar, same watts, no issues even with all the lights on and the stereo cranked
    LEJ4x4 likes this.
    TGM OffRoad

  7. #6
    Senior Member Mass-n-trash's Avatar
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    Quote Originally Posted by Robleticia View Post
    same bar, same watts, no issues even with all the lights on and the stereo cranked
    Which bar is this (link?)

  8. #7
    Enjoying my Viking Robleticia's Avatar
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    ???? The cheap one I found on Amazon!!! HAHAHA! Let me look and see if I can find it again
    TGM OffRoad

  9. #8
    Enjoying my Viking Robleticia's Avatar
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    TGM OffRoad

  10. #9
    Senior Member sandbagger's Avatar
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    Thumbs Up

    Thats a really good price ,thanks

  11. #10
    Senior Member JSprinkle's Avatar
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    2014 Red Viking
    3" strong made lift
    30" STI Outback Max tires
    14" STI HD4 wheels
    40" light bar
    3500 lb warn winch
    Kenwood in dash stereo
    Kicker speakers
    Rockford fosgate punch subwoofer
    Rockford fosgate punch amp
    Sound Dampening Kit

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