OPERATOR'S STATION
TM 5-3805-263-14&P-3
Voltage
No Voltage
Replace the light bulb receptacle and make sure
Go to Step 3.
wires are connected tightly.
3. Check for voltage between the LT GR/W wire and machine ground with the voltage
tester or digital multimeter (test Switch in TEST position).
Voltage
No Voltage
Ground wire is broken. Replace harness or make a
Go to Step 4.
ground from receptacle connection to machine.
4. Check if LT GR/W wire is grounded Use continuity tester or a digital multimeter and
check for continuity to machine ground.
Continuity (Grounded)
No Continuity
Replace the harness
Go to Step 5.
5. Disconnect the harness plug from the operator panel Check for continuity between
connections 11 and 2 in the plug.
Continuity
No Continuity
Harness is shorted to ground. Replace harness
Go to Step 6.
6. Fasten together the LT GR/W wire and the B/W wire that connect to the master fault
light receptacle Check for continuity between connections 11 and 2 in the harness
plug that connect to the operator panel.
Continuity
No Continuity
Harness is good. Replace the operator panel
Harness has a broken wire.
Replace the harness.
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