2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 349Get this manual
ELECTRICAL CHARGING SYSTEM
Current DrawKey Off CAUTION
Do not connect or disconnect the battery cable or ammeter with the engine runningDamage will occur to electrical componentsConnect an ammeter in series with the negative battery cableCheck for current draw with the key offIf the draw is excessive, loads should be disconnected from the system one by one until the draw is eliminatedCheck component wiring as well as the component for partial shorts to ground to eliminate the drawCurrent Draw Inspection (key off)