1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 405Get this manual
ELECTRICAL 1991 and Later Electric Demand-4 Drive Electrical Troubleshooting Chart Beginning with the 1991 model all-wheel drive machines, the wheel coils will be energized when the Demand-4 Drive switch is turned on Sllli! the throttle flipper is openedThis system will de-energize the wheel coils every time the throttle is returned to the idle positionIf the system fails to operate properly, proceed with the following chart to determine if the problem is electricalNOTE: To obtain All Wheel Drive in REVERSE on the 1993 Sportsman, 1993 6x6 350, and all 1994 AWD models, the reverse override button must be pushed in addition to the AWD buttonRemove the fuel tank cover and expose the circuit boardWith an electrical multitester set on DC volts, place the Red tester lead on the circuit board Red terminal and the Black tester lead on the board Brown terminalThe reading should be 12 or moreIs it? No _ Check the battery condition and state-of-charge, circuit breaker, ground and wires connecting the battery to the circuit board