2004 650 Twin Arctic Cat ATV Service Manual, Page 115Get this manual

2004 650 Twin Arctic Cat ATV Service Manual, Page 115

CDI Unit The CDI is located beneath the seat near the batteryNOTE: The CDI unit is not serviceable componentIf the unit is
The regulatorrectifier is located under the rear rack and rear fendersTry to verify all other charging system components
before the regulatorrectifier is replacedTESTING Headlights The connectors are the four 2-wire ones secured to the front
bumper supports (two on each side) with cable tiesBULB VERIFICATION (Low and High Beam) NOTE: Perform this test on each headlight
bulbAlso, 12-volt external power supply wjumpers will be needed 1Start engine and warm up to normal operating temperatures;
then connect multimeter to the battery as follows2Select the D.CVoltage position; then connect the red tester lead to the
positive battery post and the black tester lead to the negative battery post3Start the engine and slowly increase RPMThe
voltage should increase with the engine RPM to maximum of 15.5 D.CvoltsNOTE: If voltage rises above 15.5 D.Cvolts, the regulator
is faulty or battery connection is loose or corrodedClean and tighten battery connections or replace the regulatorrectifierIf