TM 9-2350-287-20-112-19. TROUBLESHOOTING CHART (continued).h. LIGHTS (continued).(19) DOME LIGHT FAILS TO OPERATE.Initial Setup:Tools/Test Equipment:Equipment Conditions:Digital multimeter (hem 13, Appendix 1)MASTER switch set to OFF (refer to TMGeneral mechanic’s tool kit (Item 24,9-2350-287-10).Appendix 1)NOTEInstead 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 perforrned.A. 1. Disconnect wire 38 from defective domelight.2. Place red lead of multimeter in wire 38 andground black lead.3. Turn MASTER switch ON (refer to TM 9-2350-287-10).4. Check for 24 +3 vdc.5. Turn MASTER switch OFF (refer to TM 9-2350-287-10).6. Repeat steps 2 through 5 for remainingdefective dome lights.Is voltage indicated?Repair or replace dome light assembly(para 7-30). Verify problem is solved.B. 1. Reconnect wire 38 to dome light assembly.2. Move portable instrument panel to outsidelocation (refer to TM 9-2350-287-10).Continued on next page2-203
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