2009 Polaris Scrambler 500 4x4 2x4 factory service manual, Page 234Get this manual
ELECTRICAL
NO AWD (4X4)
IGNITION=ON OFF-RUN SWRUN GEARCASE=FORWARD
AWD LAMP ON?
FIND WHY
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FAULTY BATTERY FAULTY CIRCUIT BREAKER FAULTY IGNITION SWITCH FAULTY OFF-RUN SWITCH FAULTY WHEEL COIL? WIRINGCONNECTIONS? MECHANICAL AWD FAULT?
MEASURE DC VOLTS BRNWHT WIRE TO GROUND AT LR MODULE
REVERSE SPEED LIMIT MODULE SCRAMBLER 500 4X4