TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).h. LIGHTS (continued).(18) ACCESSORY CONTROL BOX PANEL LIGHTSFAIL TO OPERATE. All other Iights operate.Initial Setup:Tools/Test Equipment:Digital multimeter (DMM) (Item 13, Appendix IGeneral mechanics tool kit (Item 24,Appendix I)Equipment Conditions:MASTER switch set to OFF (refer to TM9 - 2 3 5 0 - 2 8 7 - 1 0 ) .Lighting switch selector set to PANELLIGHTS (refer to TM 9-2350-287-10).NOTEInstead of using multi meterfor voltagecheck, STE/lCEtroubleshooting,INDIVIDUALBATTERY VOLTAGE TEST-TEST89 maybe performed.. Instead of using multimeterfor continuity check, STE/lCEtroubleshooting, TEST 91 maybe performed.A.1. Remove panel light from acessory controlbox.2. Place multimeter red lead in center contactof light bulb socket and ground 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).Is voltage indicated?Replace light bulb (para 7-10). Verifyproblem.Continued on next page2-189
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