TM 5-3805-261-20LIGHT SYSTEM TROUBLESHOOTING AND MAINTENANCE PROCEDURES.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONb.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. Referto 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 7-106If the multimeter needle does not move, the circuit does not have continuity. Replace light switch. Refer toparagraph 7-73.7-181
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