TM 5-3895-379-23-1
0037
TROUBLESHOOTING PROCEDURE
SYMPTOM
WORK LIGHTS AND GAUGE LIGHTS DO NOT OPERATE
MALFUNCTION
No Power At Light Circuit Breaker.
CORRECTIVE ACTION
WARNING
Remove all jewelry such as rings, dog tags and bracelets. If jewelry contacts
electrical connection, a direct short may occur resulting in injury or death and
damage to equipment.
1.
Remove nine screws and washers and remove panel from operator station.
2.
Turn battery disconnect switch to ON position (TM 5-3895-379-10).
3.
Turn engine start switch to ON position (TM 5-3895-379-10).
4.
Set multimeter to measure VDC.
5.
Touch positive (+) probe of multimeter to input terminal (wire 122-PU) of lights circuit breaker.
6.
Touch negative (-) probe of multimeter to good ground.
If 24 to 28 VDC are not measured at input terminal (wire 112-PU), perform the following:
(1)
Turn engine start switch to OFF position (TM 5-3895-379-10).
(2)
Turn battery disconnect switch to OFF position (TM 5-3895-379-10).
(3)
Repair or replace wire 112-PU and connectors from main relay to alternator circuit
breaker (WP 0195).
0037-2
03/15/2011Rel(1.8)root(tswp)wpno(T00043)