LocationHarness
Connector
Pin
Wire
Color
Expected
Reading
ConnectorGraphic
1MainP373Red
2MainP471Red
Lessthan
2ohms
1MainP374
Black
(48V
Ground)
2MainP472
Black
(48V
Ground)
Lessthan
2ohms
1MainP371White
2MainP472
Black
(48V
Ground)
24kto26k
ohms
Pass
Thepowerandgroundwiringtestspassed.GotoStep4.
Fail
Oneormoreofthepowerandgroundwiringtestsfailed.Repairorreplacethewornordamaged
parts.GotoReturningtheMachinetoService(page22)andfollowthestepslisted.
Step4:Withtheengineshutoff,checkthe48Vdcbatterysystem.
The48Vdcbatterypackiscomposedof4sealed12VdcAGMbatteriesconnectedinseries.
1.Raiseandsupporttheoperator’sseat,thenremovethecoverfromthemaincontactor.SeeFigure144
309
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