TM 5-3805-261-20LIGHT SYSTEM TROUBLESHOOTING AND MAINTENANCE PROCEDURES.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONd.INDIVIDUAL LIGHT FAILS TO OPERATE.Step 4. Test the continuity of the individual light assembly. Connect multimeter to terminal at the back of light.If the multimeter needle does not move, the circuit does not have continuity. Replace light assembly. Refer toparagraph 7-73.Step 5. Test the continuity of the wire assemblies between individual light and switch.If an individual wire assembly is damaged or defective--replace or repair. Refer to paragraph 7-117.Step 6. Test the continuity of the light switch.If the multimeter needle does not move, the circuit does not have continuity. Replace light switch. Refer toparagraph 7-73.e.ALL SIGNAL LIGHTS AND INDICATORS FAIL TO OPERATE.Step 1. Check circuit breaker number 60A.Reset circuit breaker.Step 2. Check fuse number 10A.If fuse is blown--replace. Refer to paragraph 7-63.Step 3. Test the continuity of the flasher unit (Figure 7-108). Connect multimeter to the bottom of unit.Figure 7-1087-183
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