1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 404Get this manual
ELECTRICAL Reverse Circuit Test The coils are energized in forward gears through the switches on the shift selectorIn reverse they are energized through the reverse override switch on the left handlebarWith the machine in reverse (reverse light on), and the 4x4 switch depressed, does the 4x4 light come on?
If the coils passed the resistance test listed earlier, the reverse 4x4 electrics are functioning properly
Assuming there is 12V at the board Red White, with the gear selector in reverse, read the voltage at the board PurpleReading should be 12VIs it?
Make sure the transmission is in reverse No and check reverse light switch and circuit