g288567
Figure246
1.Rearpowercenter2.Remotesenserelay
Theremotesense(24Voltenable)relayprovidespowertothe24voltalternator
senseterminal.The24voltalternatorwithinternalvoltageregulatorusethis
circuittomonitorthe24voltsystembatteryvoltage.Theremotesenserelayis
energizedbythemastercontroller.Theremotesenserelayisattachedtothe
rearpowercenterintherightrearcorneroftheenginecompartment(Figure246).
Testing
1.MakesurekeyswitchisOFF .Removekeyfromkeyswitch.
2.Turnbattery−disconnectswitchtotheOFFposition.
3.Verifythelocationoftherelaybeingtested(above)andaccesstherelay.
4.Disconnectwireharnessconnectorfromrelay.Removerelayfrommounting
bracketfortesting.
Note:Priortotakingsmallresistancereadingswithadigitalmultimeter,short
themetertestleadstogether.Themeterwilldisplayasmallresistancevalue
(usually0.5ohmsorless).Thisresistanceisduetotheinternalresistance
ofthemeterandtestleads.Subtractthisvaluefromthemeasuredvalue
ofthecomponentyouaretesting.
g288568
Figure247
1.Coilterminals
3.Normallyclosedterm.
2.Commonterminal
4.Normallyopenterm.
Groundsmaster
®
5900&5910
Page6–103
ElectricalSystem:ComponentTesting
16227SLRevB
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