Toro 74490 - PTO Switch; Starter Solenoid

StarterSolenoid
Thesolenoidisaremoteswitchthatconnectsthebatterytothestartermotor
whentheignitionswitchisturnedtoSTART .Thesolenoidprotectstheignition
switchfromthehighcurrentdrawnbythestartermotor.
g336406
Figure88
StarterSolenoidTest
1.Disconnectthesolenoidfromthewiringharness.
2.Withamulti-metersettotheOHMorcontinuitysetting,checktoensurethat
terminals1and2areopen(nocontinuity).
3.Apply12volts(DC)toterminal3andgroundterminal4.T erminals1and2
shouldnowbeclosed(continuity).
g336407
Figure89
PTOSwitch
ThePTOswitchprovidesbatteryvoltagefromtheignitionswitchtothePTO
clutch.
Aspartofthesafetyinterlocksystem,thePTOswitchwillpreventtheengine
fromcranking/startingwhenintheONpositionbypreventingthestartersolenoid
fromgroundingthroughtheenginestoprelay.
2000SeriesZMASTER®ServiceManual
Page8–9
Electrical:ServiceandRepairs
3438-778RevA