TestingtheRelayswith4Terminals(continued)
positive(+)cablefromthebattery;refertoServicingtheBattery(page
7–125).
4.Locatetherelaythatistobetested.
5.Disconnectthewireharnesselectricalconnectorfromtherelay.Removethe
relayfromthemountingbracketfortesting.
Note:Beforetakingthesmallresistancereadingswithadigitalmultimeter,
shortthemultimetertestleadstogether.Themeterdisplaysasmall
resistancevalue(usually0.5ohmsorless).Thisresistanceisbecauseofthe
internalresistanceofthemultimeterandtestleads.Subtractthisvaluefrom
themeasuredvalueofthecomponentthatyouaretesting.
6.Checkthecoilresistancebetweentheterminals85and86withamultimeter
(ohmssetting).Theresistancemustbeapproximately72ohms(Figure257).
g214499
Figure257
7.Connectthemultimeter(ohmssetting)leadstotherelayterminals30and
87.Thengroundterminal85andapply+12VDCtoterminal86.Therelay
shouldmakeandbreakthecontinuitybetweentheterminals30and87as
+12VDCissetandremovedfromterminal86(Figure257).
8.Disconnectthevoltageandleadsfromtherelayterminals.
9.Replacetherelayiftestingdeterminesthattherelayisdamaged.
10.Iftherelaytestingiscorrectandacircuitproblemstillexists,checkthe
mainwireharness;refertotheElectricalSchematicandWireHarness
Drawings/DiagramsinAppendixA(pageA–1).
11.Securetherelaytothemountingbracketandconnectthewireharness
electricalconnectortotherelay.
12.Connectthepositive(+)cabletothebatteryandthenconnectthenegative
(-)cabletothebattery;refertoServicingtheBattery(page7–125).
13.Installthehoodsaddle.Lowerandsecurethehood.
Reelmaster
®
5410/5510/5610Series
Page7–89
ElectricalSystem:TestingtheElectricalComponents
15216SLRevC
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