Testing(continued)
5.Usingamultimeter,verifythatcoilresistancebetweenterminals85and86
isfrom71to88ohms(Figure247).
6.Connectmultimeter(ohmssetting)leadstorelayterminals30and87.
Groundterminal86andapply+12VDCtoterminal85.Therelayshould
makeandbreakcontinuitybetweenterminals30and87as+12VDCis
appliedandremovedfromterminal85.
7.Disconnectvoltagefromterminal85andmultimeterleadfromterminal87.
8.Connectmultimeter(ohmssetting)leadstorelayterminals30and87A.Apply
+12VDCtoterminal85.Therelayshouldmakeandbreakcontinuitybetween
terminals30and87Aas+12VDCisappliedandremovedfromterminal85.
9.Disconnectvoltageandtestleadsfromtherelayterminals.
10.Iftestingdeterminesthattherelayisnotfunctioningcorrectly,replacethe
relay.
11.Iftherelaytestscorrectlyandacircuitproblemstillexists:
A.Checkwireharness(seeAppendixA(pageA–1)).
B.UsetheInfoCenterDisplaytocheckspecicTECoutputoperation(see
InfoCenterDisplay(page6–9)).
12.Securerelaytomountingbracketandconnectwireharnessconnectorto
relay.
13.Installandsecurepanelsandcoversremovedtoaccessrelays.
14.Turnthebattery−disconnectswitchtotheONpositionbeforereturningthe
machinetoservice.
ElectricalSystem:ComponentTesting
Page6–104
Groundsmaster
®
5900&5910
16227SLRevB
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