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Toro Groundsmaster 4500-D Series User Manual

Toro Groundsmaster 4500-D Series
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DiodeAssemblies
1
2
3
4
g276035
Figure223
1.Diodeassembly3.Femaleterminal
2.Maleterminal
4.Endofdiodebody
TheGroundsmasterenginewireharnesscontainsadiodeassemblythatisused
forcircuitprotectionfromvoltagespikeswhentheenginestartersolenoidisde−
energized.Thisdiodeassemblyplugsintotheenginewireharnessnearthe
enginestartermotor.
Groundsmastermodels30885and30887useanadditionaldiodeassembly
intheenginewireharnessthatprotectstheengineEGRcircuitfromreverse
polarity.Thisdiodeassemblyplugsintotheenginewireharnessneartheengine
electroniccontrolunit(ECU).
Thediodeassembliescanbeidentiedbyablackcolorandadiodesymbolon
theendofthediodeassemblybody.ReferAppendixA(pageA–1)foradditional
informationondiodeassemblylocation.
Testing
Adiodeassemblycanbetestedusingadigitalmultimeter(diodetestorohms
setting)andthetabletotheright.
MultimeterRedLead(+)
onTerminal
MultimeterBlackLead
(−)onTerminal
Continuity
FemaleMale
YES
MaleFemale
NO
Groundsmaster
®
4500-D/4700-D
Page6–63
ElectricalSystem:ComponentTesting
19245SLRevA

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Toro Groundsmaster 4500-D Series Specifications

General IconGeneral
BrandToro
ModelGroundsmaster 4500-D Series
CategoryLawn Mower
LanguageEnglish

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