TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).h. LIGHTS (continued).(13) TAILLIGHTS FAIL TO OPERATE. All other lightsoperate (continued).CONTINUED FROM AB. 1. Install bulb and cover on taillight assem-bly, and tighten six screws.2. Remove eight screws, Iockwashers, andbrace from left side crew compartment.3. Remove screws, spacers, and wiring har-ness cover from rear wall of crew compart-ment.4. Disconnect wire 21 of harness 12330252from taillight assembly harness.5 Have assistant turn MASTER switch ON(refer to TM 9-2350-287-10).6. Check for 24 ± 3 wk.7. Have assistant turn MASTER switch OFF(refer to TM 9-2350-287-10).Is voltage indicated?Repair or replace Ieft taillight assembly (para7-33). Verify problem is solved.C. 1. Remove six screws and cover fromdriver’s instrument panel.2. Disconnect harness 12330252 from light-ing switch.NOTETo complete this step you will need to fabri-cate a multimeter extension using at least12 feet of wire and make sure the end of thewire is able to be used as a probe into asocket.3. Have assistant place one lead of muitim-eter to socket H of harness 12330252 light-ing switch connector and place other leadon socket of wire 21 of harness 12330252connector at rear of crew compartment.4. Check for continuity.Continued on next page2-182
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