Toro Groundsmaster 4300-D - Relays with 4 Terminals

Relayswith4Terminals
g190796
Figure176
1.Hydraulicpumpdriveshaft
3.Mainpowerrelay
2.Glowrelay
g034744
Figure177
TheGroundsmaster4300-Dmachineuses2identicalelectricalrelaysthat
have4terminals.Atagnearthewireharnessrelayconnectorcanbeused
toidentifyeachrelay.
ThemainpowerrelayisusedtoprovidecurrenttotheTEC,headlights,power
point,andoptionalelectricequipment.WhenthekeyswitchisintheRUNor
STARTposition,themainpowerrelayisenergized.
Theglowrelayisusedtoprovidecurrenttotheengineglowplugs.Theglow
relayisenergizedandmonitoredbytheengineECU.
Groundsmaster
®
4300-D
Page5–69
ElectricalSystem:TestingtheElectricalComponents
16226SLRevC