Service Manual

TurnSignalSwitch(Groundsmaster4010−D)
1
2
g276013
Figure204
1.Steeringcolumn
2.Turnsignalswitch
OnGroundsmaster4010−Dmachines,theturnsignalswitchisusedasaninput
fortheTECcontrollertoprovidepowerfortheturnsignals.Theswitchislocated
onthesteeringtower(Figure204).
Testing
1.Beforedisconnectingtheturnsignalswitchfortesting,theswitchandits
circuitwiringshouldbetestedasaTECinputwiththeInfoCenterDisplay
(seeInfoCenterDisplay(page6–6)).IftheInfoCenterveriesthattheturn
signalswitchandcircuitwiringarefunctioningcorrectly,nofurtherswitch
testingisnecessary.If,however,theInfoCenterdeterminesthattheturn
signalswitchandcircuitwiringarenotfunctioningcorrectly,proceedwithtest.
2.MakesureignitionswitchisOFF .Removekeyfromignitionswitch.
3.Removefrontsteeringtowercover(seeSteeringT ower(Formachinesserial
numberbelow:400000000)(page8–3)).
4.Locateturnsignalswitchandunplugwireharnessconnectorfromswitch.
BACK OF SWITCH
g276014
Figure205
5.TheswitchterminalsaremarkedasshowninFigure205.Thecircuitlogic
oftheturnsignalswitchisshowninthechartbelow.Withtheuseofa
multimeter(ohmssetting),theswitchfunctionsmaybetestedtodetermine
whethercontinuityexistsbetweenthevariousterminalsforeachposition.
Verifycontinuitybetweenswitchterminals.Replaceturnsignalswitchif
testingidentiesafaultyswitch.
ElectricalSystem:ComponentTesting
Page6–50
Groundsmaster
®
4000-D&4010-D
13202SLRevF