TestingtheFanSpeedSwitch(continued)
CircuitLogicTable
SwitchPositionClosedCircuits
OFF
L+H
LOW
B+C+L
MEDIUM
B+C+M
HIGH
B+C+H
6.Replacethefanspeedswitchiftestingdeterminesthattheswitchis
damaged.
7.Ifthefanspeedswitchtestingiscorrectandacircuitproblemstillexists,
checkthewireharness;refertotheElectricalSchematicsandWireHarness
DrawingsandDiagramsinAppendixA(pageA–1).
8.Afteryoucompletethetesting,connectthemachinewireharnessconnector
totheswitchandinstalltheair/heatpanel.
9.Installthecabroof;refertoRoofAssembly(page11–3).
Groundsmaster
®
3280-D/3320
Page6–43
ElectricalSystem:TestingtheElectricalComponents
05138SLRevB