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TM 9-2320-364-20-2
2-948
1. ENGINE FAILS TO CRANK (CONT).
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 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.
Is 22 to 28 vdc are not
measured, relay R11 is faulty.
YES
NO
Replace relay R11,
(Para 7-95).
Verify repair, go to
Step 20 of this Fault.
9.
Are 22 to 28 vdc measured on
wire 1021A at NEUTRAL relay
R11, terminal 87 with ENGINE
switch in START position?
WARNING
Read WARNING
on Page 2-949
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