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TM 9-2320-364-20-2
2-942
1. ENGINE FAILS TO CRANK (CONT).
5.
Replace diode.
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 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
Diode test.
If diode is faulty, relay R11 will
not operate.
WARNING
Does diode pass diode test?
Read WARNING
on Page 2-943
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