TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).h. LIGHTS (continued).(2) STEERING SHAFT MASTER WARNING LIGHTFAILS TO OPERATE. Other MASTER WARN-ING light operates.Initial Setup:Tools/Test Equipment:Equipment Conditions:• Digital multimeter (DMM) (Item 13, Appendix 1)• MASTER switch set to OFF (refer to TM•General mechanic’s tool kit (Item 24,9-2350-287-10).Appendix 1)NOTE• Instead of using multi meterfor voltagecheck, STE/lCEtroubleshooting,INDIVIDUALBATTERY VOTAGE TEST-TEST 89may be performed.• Instead of using multi meterfor continuity check, STE/lCEtroubleshooting, TEST 91 maybe performed.A. 1. Remove light bulb from MASTER WARN-ING light socket.2. Place red lead of multimeter in light socketand ground black lead.3. Turn MASTER switch ON (refer to TM 9-2350-287-1O).4. Check for 24 ± 3 vdc.5. Turn MASTER switch OFF (refer to TM 9-2350-287-1O).is voltage indicated?Replace light bulb (para 7-35).Verify problem is solved.B. 1. Install light bulb in socket.2. Disconnect ground wire of harness12260287 from MASTER WARNING lightassembly ground wire.Continued on next page2-142
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