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TM 9-2320-364-20-2
2-1032
1. ENGINE CRANKS BUT FAILS TO START OR STALLS AFTER STARTING (CONT).
Headlights operate indicating
22 to 28 vdc present at
1020/1872 splice at ignition
switch.
22 to 28 vdc is supplied to fuel
priming pump.
Fuel priming pump grounded.
Fuel priming pump capacitor
OK.
22 to 28 vdc is supplied to
connector MC108 at wire
1020.
Connector MC108 at wire 1435
is grounded.
22 to 28 vdc are supplied to
wire 1020 at fuel priming pump
circuit breaker.
22 to 28 vdc are supplied to wire
1020 at DUVAC.
Fuel/priming pump clicks,
indicating power and ground
OK.
Fuel tank(s), hoses and/or
fittings OK.
Fuel priming pump filter faulty.
Fuel priming pump faulty.
Fuel water separator faulty.
Fuel pump faulty.
Secondary fuel filter faulty.
Fuel contaminated.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Fuel/water separator will not
receive fuel if fuel priming pump
filter is clogged.
YES
NO
Replace fuel priming
pump filter
(Para 4-3).
Verify repair go to
Step 16 of this Fault.
11.
Is fuel priming pump filter free
from clogs?
Replace fuel priming
pump (Para 4-2).
Verify repair, go to
Step 16 of this Fault
WARNING
Read WARNING
on Page 2-1033
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