TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).v. AFES, ENGINE (continued).(1) POWER ON LAMP DOES NOT LIGHT WHENMASTER SWITCH IS ON. All other electricalsystems operate (continued).E. 2. Disconnect wiring harness 12260287 frombulkhead connector.3. Place red lead of multimeter in bulkheadconnector socket S of wiring harness12268418-1 and ground black lead of multim-eter.4. Check for 24 ± 3 vdc.Repair wire 415 or replace wiringharness 12260287 (para 7-56).Verify problem is solved.Repair wire 415 or replace wiringharness 12268418-1 (para 7-44).Verify problem is solved.F. 1. Place red lead of multimeter in socket B ofwiring harness 12352354 connector P1 andground black lead of multimeter.2. Turn MASTER switch ON (refer to TM 9-2350-287-10).3. Check for 24 ± 3 vdc.4. Turn MASTER switch OFF (refer to TM 9-2350-287-10).Continued on next page2-325
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