TM 9-2320-364-20-2 2-952      1.  ENGINE FAILS TO CRANK (CONT). 11. Repair wire 1021A (see schematic Fig 2-24) 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 OK. Diode M36 OK. Wire 231 OK. Wire 210A OK. Wires 208/209 OK. NEUTRAL relay R11 OK. Wire 1281 OK. 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 present, wire 1021A is faulty. WARNING 12. Repair wire 1435 (see schematic Fig 2-24) 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 OK. Diode M36 OK. Wire 231 OK. Wire 210A OK. Wires 208/209 OK. NEUTRAL relay R11 OK. Wire 1281 OK. Wire 1021A OK. 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 Continuity test.   STE/ICE-R #91. If there is no continuity, wire 1435 is faulty. WARNING Is continuity measured on wire 1435 between magnetic switch R27 and a known good ground? Are 22 to 28 vdc measured on wire 1021A at magnetic switch R27 with ENGINE switch held in START position? Read   WARNING on Page 2-953 Read   WARNING on Page 2-953