WorkLightSwitch(MachineswithOperatorCab–Optional)
g243426
Figure144
1.Worklightswitch(optional)2.Beaconswitch(optional)3.Cabheadliner(lights
switchpanel)
Theswitchesarelocatedinthecabheadliner(Figure144).Theswitchesare
usedtoturntheoptionallightkitsonandoff.
TestingtheWorkLightSwitch
1.Parkthemachineonalevelsurface,lowerthecuttingdeck,andshutoffthe
engine.Removethekeyfromthekeyswitch.
2.Toaccesstheswitch,removetherooffromthetopofthecab;refertoRoof
Assembly(page11–3).
3.Removethelightsswitchpanelfromthecabheadliner.
4.Disconnectthemachinewireharnessconnectorfromtheswitchthatyou
aretesting.
g243573
Figure145
BackofSwitch
5.TheswitchterminalsareidentiedinFigure145andthecircuitryofthe
switchisshownintheCircuitLogicTable(page6–44).Withtheuseofa
multimeter(ohmssetting),testtheswitchfunctionstodetermineifcontinuity
existsbetweenthevariousterminalsforeachswitchposition.Checkthe
continuitybetweentheswitchterminals.
CircuitLogicTable
SwitchPositionClosedCircuitsOpenCircuits
OFF
2+1and5+42+3and5+6
ON
2+3and5+62+1and5+4
6.Replacetheswitchiftestingdeterminesthattheswitchisdamaged.
ElectricalSystem:TestingtheElectricalComponents
Page6–44
Groundsmaster
®
3280-D/3320
05138SLRevB