TM 9-2330-285-14&P/TO 36A11-21-10-1
ORGANIZATIONAL TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM
1. ALL LAMPS FAIL TO LIGHT, ARE DIM, OR FLICKER
Check fuses and circuit breakers in towing vehicle.
Step 1.
Replace any bad fuses or reset any tripped circuit breakers (refer
to TM applicable to towing vehicle). If fuses and circuit breakers
are good, go to step 2.
Step 2. Check for power at the towing vehicle receptacle.
Connect black lead of multi meter to pin D of towing vehicle receptacle.
Use red lead to probe all other pins in receptacle. If multimeter
shows that power is present at the receptacle with the lights on,
go to step 3. If no power is available at the towing vehicle receptacle,
repair towing vehicle (refer to applicable TM).
Step 3.
Check for corroded or damaged cable connectors.
a. Check the
following:
1. Both
intervehicular cable connectors.
2. Both
junction box receptacles.
3. Both
intertrailer cable connectors.
4. Rear
receptacle.
b. Repair any bad connectors or receptacles (page 4-62). If no bad
NOTE
See page 4-60 for proper pin connector to wire identification.
Step 4. Check ground wire 90 for continuity between front intervehicular cable
a Repair break in 90 in the intervehicular cable, junction box,
b. Repair broken or faulty connection between the rear dolly frame
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