2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 418Get this manual

2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 418

RESISTANCE CAUTION COl Unit Always disconnect the battery when performing resistance tests to avoid damaging the multi meter
CDI unit to verify the suspected one is defective NOTE: Prior to replacing the COl unit to assure the COl unit is defective,
it is advisable to perform COl peak voltage test (see Ignition Coil in this section) andor perform continuity test of the
wiring harness from the COl connector to the COl unit 5Connect #3; then terminal from the ohm the power supply (positive)
to terminal connect the power supply (negative) to #4There should be an audible "click" relay, and the meter must show less
than RegulatorRectifier The regulatorrectifier is located near the batteryRESISTANCE NOTE: If there was no audible "click"
from the relay or if the meter shows more than ohm, it must be replacedIf there was "click," continue to test resistance
CAUTION 6With the 12-volt power supply still connected, then connect the red tester lead to the heavy battery cable terminal;
then connect the black tester lead to the heavy starter motor cable terminal7The meter must show less than ohm8With the 12-volt