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Discussion Starter #2
Hello, I new here but have a sportsman 500 ho 4x4 non efi and have charging problems, I have tested battery with quad not running and it was reading 12.5 volts- battery is new. When I start it at idle the voltage reads 17.8 volts at the battery and that's sounds like it might be a voltage regulator problem, any help would be appreciated thank youbattery
 

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Discussion Starter #8
Yes, in researching the problems I found the even incorporates fan operation in the ecm as well, that is the part number I looked up for it and found a new oem one in box for $149.95. I ordered it this morning
 
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