GeneralInformation
Theelectricalsystemoperateson12VDC.Theproperbatterysizeis300CCA.
Beforeperforminganyelectricaltroubleshooting,always:
•Verifyproperbatteryvoltage(above12.4V),batteriesreading12.4vorless
areconsidereddischarged.
•Checkthatallengineandchassisgroundwiresaresecurelyconnectedand
notdamaged.
Useoftestlightsandcontinuitytestersmayresultinfalsereadingsandleadto
anincorrectdiagnosis.Useofdigitalvoltohmmeterisnecessaryforaccurate
testing.
Electrical:GeneralInformation
Page8–2
4000SeriesZMASTER®ServiceManual
3442-427RevA