2011 Polaris Ranger RZR ATV Service Manual, Page 373Get this manual
ELECTRICAL Charging System Testing Flow Chart
Whenever charging system problems are suspected, proceed with the following system check after verifying that all wires are in good condition, connected and not exposed or pinchedUsing multitester set on D.Cvolts, measure the battery open circuit voltage (See earlier test)It should be 12.4 volts or moreIs it? Yes
Meter Setting: DC Volts
Remove the battery and properly serviceReinstall the fully charged battery or fully charged shop battery
With the transmission in Park, start the engine and increase RPM to between 3000 and 4000Read battery voltage with the multitesterReadings should increase to between 13.0 and 14.6 D.CDo they? NOTE: Disconnect all accessoriesNo
Meter Setting: DC Amps
Check Key off Current Draw
Perform system "Break Even Amperage" test outlined in this chapterDoes charging occur as specified? No Ohm stator wires, if bad replace stator, if good, continue with alternator output testMeter Setting: AC Volts Disconnect the Yellow wires from the regulatorrectifierUsing multitester, perform an Alternator Output testSee test procedure on Page 10.24Does output meet specification?