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Arctic Cat Altera 300 - Fan Motor; Lights; RPM Limiter

Arctic Cat Altera 300
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75
4. With the starter button released, the meter must show
an open circuit.
NOTE: If the meter does not show as specified,
replace the switch/component or connector.
RESISTANCE (Emergency Stop)
1. Set the meter selector to the OHMS position.
2. Connect the red tester lead to the brown/blue wire;
then connect the black tester lead to the black/white
wire.
3. With the switch in the OFF position, the meter must
show an open circuit.
4. With the switch in the RUN position, the meter must
show less than 1 ohm.
NOTE: If the meter shows more than 1 ohm of resis-
tance, troubleshoot or replace the switch/component
or the connector.
RESISTANCE (Reverse Override)
1. Set the meter selector to the OHMS position.
2. Connect the red tester lead to the green/red wire;
then connect the black tester lead to the blue/red
wire. The meter must show an open circuit.
3. Depress and hold the reverse override button. The
meter must show less than 1 ohm of resistance.
NOTE: If the meter does not show as specified,
replace the switch/component or connector.
Fan Motor
The fan motor connector is located directly above the
fan. To access the connector, the front rack and front cen-
ter cover must be removed (see Steering/Body/Controls).
NOTE: To determine if the fan motor is good, con-
nect the red wire from the fan connector to the posi-
tive side of a 12 volt battery; then connect the black
wire from the fan connector to the negative side. The
fan should operate.
NOTE: Fan motor resistance checks are not recom-
mended. Resistance values change with the motor
commutator position.
Lights
BULB VERIFICATION
Visually inspect the bulb for broken filaments, blacken-
ing, or loose bulb base.
VOLTAGE (Headlights)
The two 3-prong connectors are secured to the front
bumper supports (one on each side) with cable ties.
NOTE: Perform this test in turn on the main har-
ness side of the connectors. Also, the ignition switch
must be in the LIGHTS position and the engine must
be running.
1. Set the meter selector to the DC Voltage position.
2. Connect the red tester lead to the green wire; then
connect the black tester lead to the white wire.
3. With the dimmer switch in the LO position (LO
beam), the meter must show battery voltage.
4. Connect the red tester lead to the blue wire. With the
dimmer switch in the HI position (HI beam), the
meter must show battery voltage.
NOTE: If battery voltage is not shown in any test,
inspect the fuses, battery, main wiring harness, con-
nectors, or the left handlebar switch.
VOLTAGE (Taillight)
The 3-prong connector is located under the rear fender
assembly.
NOTE: Perform this test on the main harness side of
the connector. Also, the ignition switch should be in
the LIGHTS position.
1. Set the meter selector to the DC Voltage position.
2. Connect the red tester lead to the brown/black wire;
then connect the black tester lead to the green wire.
3. With the ignition key in the LIGHTS position, the
meter must show battery voltage.
NOTE: If the meter shows no voltage, inspect fuses,
wiring harness, connectors, and switches.
VOLTAGE (Brakelight)
NOTE: Perform this test on the main harness side of
the connector. Also, the ignition switch should be in
the ON position and the brake (either foot pedal or
hand lever) must be applied.
1. Set the meter selector to the DC Voltage position.
2. Connect the red tester lead to the green/yellow wire;
then connect the black tester lead to the green wire.
3. With either brake applied, the meter must show battery
voltage.
NOTE: If the meter shows no voltage, inspect fuses,
wiring harness, connectors, and switches.
RPM Limiter
NOTE: The ATV is equipped with a CDI unit that
retards ignition timing when maximum RPM is
approached. When the RPM limiter is activated, it
could be misinterpreted as a high-speed misfire.
! WARNING
Care should be taken to keep clear of the fan blades.

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