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charging problem

Discussion in 'ATV / UTV' started by Big Bad Bob, Feb 18, 2014.

  1. Big Bad Bob

    Big Bad Bob LawnSite Bronze Member
    from zone 5
    Posts: 1,074

    2005 Polaris 500. 3000 lb winch. Was working great. All of a sudden if I try to raise or lower the blade, the engine dies. If I hook a battery charger to the winch, it lifts and lowers no problem. In other words, if I idle the atv with the charger hooked to the battery, no problem. If I try to run the winch from the power of the atv, it idles good until I try to use the winch. Battery voltage is 12.5 volts so I think the sealed battery is ok. What could cause this? Engine will die instantly if negative cable is disconnected.
     
  2. firedude26

    firedude26 LawnSite Senior Member
    from Mich
    Posts: 269

    might be to late but, your battery may say 12.5 but it may not hold it under a load, ive had that problem. if not fixed put a load test on the batt.
     

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