TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).h. LIGHTS (continued).(15) ONE OR BOTH REAR BUCKOUT (BO) MARKERLEDs FAIL TO OPERATE. All other lights operate.Initial Setup:Tools/Test Equipment:Equipment Conditions:Digital multimeter (DMM) (Item 13, Appendix 1)MASTER switch set to OFF (refer to TMGeneral mechanic’s tool kit (Item 24,9-2350-287-10).Appendix 1)Lighting switch set to BO MARKER.Personnel Required: TwoNOTEInstead of using multi meterfor voltagecheck, STE/lCEtroubleshooting,INDIVIDUALBATTERY VOLTAGE TEST-TEST89 maybe performed.Instead of using multi meterfor continuity check, STE/lCEtroubleshooting, TEST 91 maybe performed.Left and right BO taillights are checkedin the same manner.A. 1. Loosen six screws and remove cover fromtaillight.2 Remove LED from taillight assembly.3. Place multimeter red lead in BO markerLED socket and ground black lead.4. Have an assistant turn MASTER switchON (refer to TM 9-2350-287-10).5 Check socket for 24 ± 3 vdc.6. Have an assistant tum OFF MASTER switchOFF (refer to TM 9-2350-287-10).Is voltage indicated?2-1887-34). Verify problem is solved.Replace BO marker LED (para 7-33 or
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