Arctic Cat 650 Twin2004, Service Manual

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5-5
5
4. On the coolant temperature switch, allow the
water to cool, and when the temperature is at (or
just before) a temperature of 108°-111° C
(226°-232° F), the meter should read an open
circuit.
5. On the cooling fan switch when the temperature
reaches 66°-68° C (150°-155° F), the meter should
read a closed circuit.
6. On the cooling fan switch, allow the water to cool,
and when the temperature is at (or just before) a
temperature of 62°-65° C (145°-149° F), the meter
should read an open circuit.
7. If the readings are not as indicated, the switch
must be replaced.
8. Install the switch and tighten securely.
9. Connect the switch leads.
Fan Motor
To access the connector (located directly behind the
fan), the front rack and front fenders must be removed
(see Section 8).

NOTE: The ignition switch must be in the ON
position.
VOLTAGE
(Main Harness Connector to Fan
Motor)
1. Set the meter selector to the D.C. Voltage position.
2. Connect the red tester lead to the black/red wire
(the black 2-prong at the fan motor); then connect
the black tester lead to ground.
3. The meter must show battery voltage.

NOTE: If the meter shows no battery voltage,
troubleshoot the battery, fuse, motor, or the main
wiring harness.

NOTE: If the meter shows battery voltage, the
main wiring harness is good. The connector
should be checked for resistance.
RESISTANCE
(Fan Motor Connector)
1. Set the meter selector to the OHMS position.
2. Connect the red tester lead to the red wire; then
connect the black tester lead to the black wire.
AR645D
3. The meter must show less than 1 ohm.

NOTE: If the meter shows more than 1 ohm of
r e s i s t a n c e , t r o u b l e s h o o t o r r e p l a c e t h e
switch/component, the connector, or the switch
wiring harness.

NOTE: To determine if the fan motor is good,
connect the red wire from the fan connector to a 12
volt D.C. power supply; then connect the black
wire from the fan connector to ground. The fan
should operate.
Power Distribution
Module
The fuses are located on the power distribution module
above the footrest behind the right front fender. To
remove the cover, compress the locking tabs on either
side of the cover and lift off.
KX054A
If there is any type of electrical system failure, always
check the fuses first.
! CAUTION
Always disconnect the battery when performing
resistance tests to avoid damaging the
multimeter.
! CAUTION
Care should be taken to keep clear of the fan
blades.