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Page Title: 1. ENGINE FAILS TO CRANK (CONT)
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TM 9-2320-364-20-2 2-940      1.  ENGINE FAILS TO CRANK (CONT). 3. Repair wire 1021 (see schematic Fig 2-25) or notify DS Maintenance. Verify repair, go to Step 20 of this Fault. YES NO 22 to 28 vdc register on 24 vdc   volt meter indicating wire 1055   between DUVAC and starter   motor is OK. Batteries OK. ENGINE switch OK. Wire 1021 faulty. Wire 1871 faulty. Diode M36 faulty. Wire 231 faulty. Wire 210A faulty. Wires 208/209 faulty. NEUTRAL relay R11 faulty. Wire 1281 faulty. Wire 1021A faulty. Wire 1435 faulty. Magnetic switch R27 faulty. Wire 1139 faulty. Wire 1045 faulty. Wire 1138 faulty. Start ground wire faulty. Starter motor solenoid faulty. Starter motor faulty. KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION Voltage test. STE/ICE-R #89. If 22 to 28 vdc are not measured, wire 1021 is faulty. WARNING 4. Repair wire 1871 (see schematic Fig 2-25) or notify DS Maintenance. Verify repair, go to Step 20 of this Fault. YES NO 22 to 28 vdc register on 24 vdc   volt meter indicating wire 1055   between DUVAC and starter   motor is OK. Batteries OK. ENGINE switch OK. Wire 1021 OK. Wire 1871 faulty. Diode M36 faulty. Wire 231 faulty. Wire 210A faulty. Wires 208/209 faulty. NEUTRAL relay R11 faulty. Wire 1281 faulty. Wire 1021A faulty. Wire 1435 faulty. Magnetic switch R27 faulty. Wire 1139 faulty. Wire 1045 faulty. Wire 1138 faulty. Start ground wire faulty. Starter motor solenoid faulty. Starter motor faulty. KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION Voltage test. STE/ICE-R #89. If 10 to 14 vdc are not measured, relay R11 will not operate. WARNING Are 22 to 28 vdc measured on wire 1021 at NEUTRAL relay R11, terminal 30 with ENGINE switch held in START position? Are 10 to 14 vdc measured on wire 1871 at NEUTRAL relay R11, terminal 86 with ENGINE switch in ON position? Read   WARNING on Page 2-941 Read   WARNING on Page 2-941

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