TM 5-3805-258-24-1
9 5 0 B O P E R A T O R ’ S S T A T I O N
E L E C T R I C A L
T R O U B L E S H O O T I N G
4. Check if Y/LT BL wire is grounded. Use 8S4627 Circuit Tester and check
for continuity to machine ground.
Continuity (Grounded)
No Continuity
Repair or replace the harness.
Go to Step 5.
5. Disconnect the harness plug from the operator panel. Check for continuity
between Sockets 11 and 2 in the plug.
Continuity
No Continuity
Harness is shorted to ground. Repair or replace har-
Go to Step 6.
ness.
6. Fasten together the Y/LT BL wire and the B wire that connects to the master
fault light receptacle. Check for continuity between
harness plug that connects to the operator panel.
Continuity
Sockets 11 and 2 in the
No Continuity
Harness is good. Replace the operator panel.
Harness has a broken wire. Repair or replace the
harness.
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