5-12
2. Secure the positive cable to the starter motor with
the nut.
3. Connect the battery (positive cable first).
CDI Unit
The CDI is located beneath the seat near the battery.
NOTE: The CDI unit is not a serviceable component.
If the unit is defective, it must be replaced.
The CDI is rarely the cause for electrical problems; how-
ever, if the CDI is suspected, substitute another CDI unit
to verify the suspected one is defective.
NOTE: Prior to replacing the CDI unit to assure the
CDI unit is defective, it is advisable to perform a CDI
peak voltage test (see Ignition Coil in this section)
and/or perform a continuity test of the wiring harness
from the CDI connector to the CDI unit.
Regulator/Rectifier
The regulator/rectifier is located under the rear rack and
rear fenders.
TESTING
1. Start engine and warm up to normal operating
temperature; then connect a multimeter to the bat-
tery as follows.
2. Select the DC Voltage position; then connect the
red tester lead to the positive battery post and the
black tester lead to the negative battery post.
3. Start the engine and slowly increase RPM. The
voltage should increase with the engine RPM to a
maximum of 15.5 DC volts.
NOTE: If voltage rises above 15.5 DC volts, the reg-
ulator is faulty or a battery connection is loose or cor-
roded. Clean and tighten battery connections or
replace the regulator/rectifier. If voltage does not rise,
see Stator Coil - Voltage in this section. If charging
coil voltage is normal, replace the regulator/rectifier.
Headlights
The connectors are the four 2-prong ones plugged into
the headlight bulbs (two on each side).
VOLTAGE
NOTE: Perform this test in turn on the main harness
side of all four connectors. Also, the ignition switch
must be in the LIGHTS position.
NOTE: The LO beam is the outside bulb, and the HI
beam is the inside bulb.
1. Set the meter selector to the DC Voltage position.
2. Connect the red tester lead to one wire; then con-
nect the black tester lead to the other wire.
3. With the dimmer switch in the LO position, test
the two outside connectors (LO beam). The meter
must show battery voltage.
4. With the dimmer switch in the HI position, test the
two inside connectors (HI beam). The meter must
show battery voltage.
NOTE: If battery voltage is not shown in any test,
inspect the LIGHTS fuse, battery, main wiring har-
ness, connectors, or the left handlebar switch.
Taillight - Brakelight
The connector is the 3-prong one located under the rear
fender assembly.
VOLTAGE (Taillight)
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 white wire; then
connect the black tester lead to the black 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 red/blue wire; then
connect the black tester lead to the black 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.
FOR ARCTIC CAT ATV DISCOUNT PARTS CALL 606-678-9623 OR 606-561-4983
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