TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).m. BILGE PUMP (continued).(1) BILGE PUMP DOES NOT OPERATE. All otherelectrical systems operate (continued).CONTINUED FROM CD. 1. Place red lead of multimeter in pin A wire450 and ground black lead.2. Turn MASTER switch and BILGE PUMPswitch ON (refer to TM 9-2350-287-10).3. Check for 24 +3 vdc.4. Turn MASTER switch and BILGE PUMPswitch OFF (refer to TM 9-2350-287-10).Is voltage indicated?Replace bilge pump relay (para 7-3).Verify problem is solved.E. 1. Reconnect wire harness 10921380 tobilge pump relay.2. Remove six screws from driver’s instru-ment panel control plate. Remove controlplate for access to bilge pump switch.3. Disconnect wire 450 of harness 12260287at BILGE PUMP switch output.4. Place red lead of multimeter in BILGEPUMP switch output and ground black lead.5. Turn MASTER switch and BILGE PUMPswitch ON (refer to TM 9-2350-287-10).6. Check for 24 +3 vdc.7. Turn MASTER switch and BILGE PUMPswitch OFF (refer to TM 9-2350-287-10).Is voltage indicated?Continued on next page2-232
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