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ELECTRICAL
Switch Testing
Fan Motor Current Draw
A current draw test will provide a good indication of fan
motor condition. A worn or damaged fan motor will draw
more current, which causes a reduction in blade speed
and reduced cooling.
1.
Disconnect the RedlWhite wire from the fan motor.
2.
Connect a DC ammeter in series between the
battery and fan motor as shown at right. Use the
RedlWhite wire in the wiring harness as the power
supply.
3.
Be sure fan blade is free to rotate.
4.
Turn ignition key and engine stop switch to "ON"
position. Read the current draw on ammeter with
fan running.
5.
If the fan motor draws more than 6.5 Amps, replace
the motor.
Fan· Motor. Current Draw:
Brake Light Switch
1.
Remove fuel tank.
2.
Disconnect wire harness from switch.
DMM
Connect ammeter to
RIW wire (battery power
side) of wiring harness.
Late model fan switch
and wire harness shown
3.
Connect an ohmmeter across switch contacts. Reading should be infinite
(00).
Fan Motor
4.
Apply brake at handlebar lever and check for continuity between switch contacts. Replace switch if there is no
continuity or greater than .5 ohms resistance when the brake is applied with slight pressure.
Headlamp Switch
Remove the fuel tank and top cover. Disconnect the headlamp switch wires (RedlWhite, Green, and Yellow) at
the panel or connector (RIW) and from the headlamp high beam harness (Y) and low beam harness. Test the
switch connections and compare to the chart.
Continuity
RIW
Grn
Y
Off
Low
-
-
-
-
High
-
-
-
-
Neutral Light Circuit Operation
Power is supplied to the transmission switch from the RedlWhite wire when the key is on. When neutral is se-
lected, power flows through the switch to the GreenIWhite wire, through the lamp and to ground via the Brown
wire.
If the light is not on when neutral is selected, check the bulb. If the bulb is good, check the wiring, transmission
switch, and lamp socket ground path.
12/97
10.42
Polaris Industries Inc.
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Table of Contents
Troubleshooting
