TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).h. LIGHTS (continued).(10) ONE OR BOTH HEADLIGHTS FAIL TO OPERATE.All other lights operate (continued).CONTINUED FROM BC. 1. Disconnect wires 17 and 18 of harness10921380 from headlight mount assemblyharness.2. Place one lead of multimeter in socket A atheadlight mount and place other lead on wire18 pin connector of headlight mount assem-bly harness and check for continuity.3. Place one lead of multimeter in socket B atheadlight mount and place other lead on wire17 pin connector of headlight mount assem-bly harness and check for continuity.Is continuity indicated at both circuits?Replace headlight mount assembly (para 7-31). Verify problem is solved.D. 1. Install headlight assembly in headlightmount assembly.2. Install headlight bulb and cover on head-light assembly with four screws and newIockwashers.3. Disconnect harness 12330252 fromdriver’s bulkhead.4. Place one lead of mutlimeter in harness10921380 wire 18 connector to headlightmount assembly and connect other lead onpin A of harness 10921380 bulkhead con-nector and check for continuity.5. Place one lead of multimeter in harness10921380 wire 17 connector to headlightmount assembly and place other lead on pinB of harness 10921380 bulkhead connectorand check for continuity.Is continuity indicated at both circuits?Continued on next page2-168
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