Section 4
TROUBLESHOOTING CHARTS
D. CHART2. ENGINE CRANKS BUT WILL NOT START (Cent’d.)
TM 9-2320-363-20-1
C2-27 Check Battery
l Disconnect battery cables at the
12 volt battery.
l Read voltage at the battery +
terminal to the battery – terminal.
C2-28 Check if Fuses Blow
Again
l Turn ignition off.
l Disconnect the 6-way power
harness connector at the ECM.
l Replace blown fuse(s).
l Wait 10 seconds.
l Check if fuse(s) has blown.
C2-29 Check for Short to
Ground in Wirinq
l Read resistance between Bank B
power (circuit #240) and a good
ground.
l Read resistance between Bank A
power (circuit #241 ) and a good
ground.
RESULT
I
WHAT TO DO NEXT
Service discharged battery.
(Note: if a short to ground exists
anywhere in a battery + circuit,
this truck will shut down again if
not repaired). Then go to C2-30
An open or short to ground exists
in the unfused ignition line (ckt #2).
Repair open or short to ground,
page 3-2. Then go to C2-30.
Go to C2-26.
Go to C2-29.
Go to C2-11.
Short to ground exists.
Contact Direct Support.
Then go to C2-30.
o n a n y r e a d i n g .
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