2005 Kawasaki KAF620 Mule 3010 Trans 4x4 Service Manual, Page 349Get this manual
ELECTRICAL SYSTEM 17-23 Charging System
Regulator Circuit Test-1st Step: Connect the test light and the 12 battery to the regulatorrectifier as shownCheck BK1, BK2, and BK3 terminals respectivelyCAUTION
The test light limits the current flow through the regulatorrectifierDo not use an ammeter or multimeter in its placeIf the test light turns on, the regulatorrectifier is defectiveReplace itIf the test light does not turn on, continue the test
Regulator Circuit Test-2nd Step: Connect the test light and the 12 battery in the manner as specified in the "Regulator Circuit Test-1st Step Apply 12 to BR terminalCheck BK1, BK2, and BK3 terminals respectivelyIf the test light turns on, the regulatorrectifier is defectiveReplace itIf the test light does not turn on, continue the test