TM 9-2330-373-14 & P
Table 4-2. Troubleshooting (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM (cont)
WARNING
Make sure power is disconnected.
Step 5.
Check wiring harness for short circuit.
Check cable for bare spots. Notify Direct Support if repair is necessary. Make a continuity test of all circuits with
Step 6. Check light switch on towing vehicle.
Replace light switch on towing vehicle if defective.
Step 7. Check resistor contact points (1).
Clean contact points.
Step 8.
for rated ohms marked on resistors
Replace cracked, chipped or defective
2. ONE OR MORE LAMPS WILL NOT LIGHT
Step 1.
Inspect lamps and check for broken or loose wires.
Replace defective lamp. Repair wire breaks at light assembly
Step 2.
Inspect for dirty or corroded cable contacts in sleeves or lamp sockets.
TA 314749
4-17