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 TM 9-2330-330-14&P
LIGHT SYSTEMS TROUBLESHOOTING
THIS WP COVERS:
Light Systems Troubleshooting
INITIAL SETUP:
Maintenance Level
Tools and Special Tools
Organizational
Tool kit, general mechanic's (item 4, WP 0171 00)
Multimeter (item 2, WP 0171 00)
References
Applicable prime mover TM
To troubleshoot the M969A3 light systems, perform the test/inspections and corrective actions provided in
Table 1.
Table 1. Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
ALL SEMITRAILER
At front access hatch cover,
Clean/tighten receptacle ground
LIGHTS ARE
check for loose/dirty or corroded
or terminal strip leads. Verify
INOPERABLE/DIM OR
receptacle ground leads and
problem is solved.
FLICKERING
terminal strip leads (refer to WP
NOTE
Refer to WP 0046 00 for
routing of electrical wires and
electrical schematic.
2.
ONE OR MORE LIGHTS
Clean/tighten receptacle ground
1.
At front access hatch
WILL NOT OPERATE
or terminal strip leads. Verify
cover, check for
problem is solved. If loose/dirty
loose/dirty or corroded
or corroded leads are not
receptacle ground leads
present, go to step 2.
and terminal strip leads
(refer to WP 0058 00).
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