TM-9-2330-331-14-P
SEMITRAILER, FLATBED: BREAKBULK/CONTAINER TRANSPORTER, 34 TON, M872A4
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LISTS
DECEMBER 2005
TM-9-2330-331-14-P - Page 80 of 472
TM 9-2330-331-14&P
0012 00
Table 2.
Organizational Troubleshooting
MALFUNCTION
TEST OR INSPECTION
ELECTRICAL SYSTEM
1. ALL LAMPS FAIL TO
NOTE
LIGHT
Refer to wiring diagram in
WP 0025 00-1 to determine routing
of electrical wires and location of
electrical components.
1. Check for open circuit in wiring.
2. Check for loose connections and good
ground wire contact.
3. Check all electrical receptacles,
connectors, and lamps for broken and
defective components.
2. ONE OR MORE LAMPS
NOTE
(BUT NOT ALL) FAIL TO
LIGHT
Refer to wiring diagrams in
WP 0025 00-1 to determine routing of
electrical wires and location of
electrical components.
1. Check for broken wiring harness or loose
connection.
2. Check for defective lamp units.
3. Check for defective contact in electrical
receptacle or on plug of electrical
connector on towing vehicle.
CORRECTIVE ACTION
Replace or repair wiring harness
as required (WP 0024 00-1).
Clean and tighten connections.
Replace broken and defective
components (WP 0024 00-1).
Tighten, replace (WP 0033 00-1),
or repair (WP 0024 00-1) wiring
harness.
Replace defective lamp units
(WP 0028 00-1, WP 0029 00-1,
WP 0030 00-1, WP 0031 00-1).
Replace contact or electrical
receptacles as required
(WP 0026 00-1).
Refer to towing vehicle
technical manual to replace
or repair electrical connector.
0012 00-2
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