RelayswithFive(5)Terminals
g309695
Figure206
1.Aircleanermount
4.Capscrew
2.EngineECUmount
5.Flangenut
3.5terminalrelay
YourGroundsmasterusesanumberofelectricalrelaysthathaveve(5)
terminals.Atagnearthewireharnessrelayconnectorcanbeusedtoidentify
eachrelay.
Themainrelayisusedonmodels30893,30893TE,30899and30899TEto
providecurrentforseveralenginecomponentswhenenergizedbytheengine
electroniccontrolunit(ECU).
Therackactuatorrelayisusedonmodels30893,30893TE,30899and30899TE
toprovidecurrentfortheenginerackactuatorwhenenergizedbytheengine
ECU.
TheEGRrelayisusedonmodels30885and30887toprovidecurrenttothe
engineEGRvalvewhenenergizedbytheengineECU.
Themain,rackactuatorandEGRrelaysareattachedtotheaircleanermount
bracketneartheengineECU(Figure206).
Groundsmaster
®
4500-D/4700-D
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ElectricalSystem:ComponentTesting
19245SLRevA