TM 5-3825-270-23&P
FIELD MAINTENANCE
CAB CONTROL BOX LIGHTS SWITCH DOES NOT OPERATE
INITIAL SETUP:
References (cont.)
Tools and Special Tools
Universal Power Interface Kit (UPIK) Wire Harness
Tool Kit, General Mechanic's: Automotive
Replacement (WP 0108)
(WP 0225, Table 1, Item 12)
Water Distributor Operator Manual (TM
Multimeter (WP 0225, Table 1, Item 4)
5-3825-270-10)
References
Battery Disconnect/Connection (WP 0085)
Equipment Condition
Engine OFF. (TM 5-3825-270-10)
Cab Control Box Lights Replacement (WP 0210)
Universal Power Interface Kit (UPIK) harness
Cab Control Box Wiring Harness Replacement
connected to prime mover. (TM
5-3825-270-10)
Work Lights Do Not Operate (WP 0025)
General Wire Harness Repair (WP 0099)
TROUBLESHOOTING PROCEDURE
CAB CONTROL BOX LIGHTS SWITCH DOES NOT OPERATE
STEP 1
Do work lights operate using LIGHTS switch on main control panel?
NOTE
If work lights operate using main control panel, fault can be isolated to cab control box or
universal power interface kit (UPIK) harness.
Attempt to operate work lights using main control panel. (TM 5-3825-270-10)
CONDITION/INDICATION
Do work lights operate using LIGHTS switch on main control panel?
DECISION
No - Go to Work Lights Does Not Operate. (WP 0025)
Yes - Go to step 2. (Step 2 - Are cab control box and water distributor harnesses connected properly to prime
mover?)
STEP 2
Are cab control box and water distributor harnesses connected properly to prime mover?
1.
Push EMERGENCY STOP switch in to off position. (TM 5-3825-270-10)
2.
Check cab control box electrical connector.
0058-1