TM 5-3805-261-20
LIGHT SYSTEM TROUBLESHOOTING AND MAINTENANCE PROCEDURES.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
b.
ALL STOP/TAIL, PANEL AND ARTICULATION LIGHTS FAIL TO OPERATE.
If the multimeter needle does not move, the circuit does not have continuity. Replace stop light switch. Refer
to paragraph 7-96.
Step 3. Check the wiring harness for corrosion, cracks or breaks.
If the wiring harness is damaged or defective--repair. Refer to paragraph 7-117. If replacement is necessary--
contact Direct Support.
c.
HEADLIGHTS FAIL TO OPERATE.
Step 1. Check circuit breaker number 15A.
Reset circuit breaker.
Step 2. Test the continuity of the headlight switch (Figure 7-106).
Figure 7-106
If the multimeter needle does not move, the circuit does not have continuity. Replace light switch. Refer to
paragraph 7-73.
7-181
