2009 Polaris Scrambler 500 4x4 2x4 factory service manual, Page 233Get this manual
ELECTRICAL
NO REVERSE SPEED LIMIT (4X4)
KEY SWITCH=ON OFF-RUN SWITCH=RUN SET PARKING BRAKE GEARCASE=REVERSE THIS TEST REQUIRES "KNOWN GOOD" REVERSE INDICATOR LAMP
NO REVERSE LAMP ON? FIND WHY
1FAULTY BATTERY 2FAULTY CIRCUITY BREAKER 3FAULTY IGNITION KEY SWITCH 4FAULTY OFF-RUN SWITCH 4FAULTY SHIFTER SWITCH? 5WIRINGCONNECTIONS?
MEASURE DC VOLTS GRYOR WIRE TO GROUND TO LR MODULE
REVERSE SPEED LIMIT MODULE SCRAMBLER 500 4X4