STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
TM 9-2320-363-20-1
Section 4
TROUBLESHOOTING CHARTS
D. CHART - 8 - NO "STOP ENGINE" LIGHT (SEL) DURING BULB CHECK (Cont'd)
C 8-4
Check for Open
Remove jumper wire.
Less than
Ignition line (ckt #439)
Read voltage on vehicle harness
11.5 volts (or
open. Repair open.
connector, socket B3 (red lead)
23.0 volts
Then go to C8-30.
to a good ground (black lead).
if using a
24 volt ignition).
Greater than
Go to C8-5.
or equal to 11.5 volts
(or 23.0 volts
if using a 24 volt ignition.
C 8-5
Check for Battery +
Turn ignition off.
Less than
Either a ECM fuse (or circuit
Disconnect 5-way power harness
11.5 volts or 23.0 (24 volt
breaker) is blown, and/or Battery
connector at ECM.
system) on either
Power line(s) (ckt #240 or #241)
Read voltage on 5-way power
reading.
has an open or short to ground
harness connector, socket A (red
Repair problem. Then go
lead), to a good ground (black
to C8-30.
lead).
Also read voltage on socket C
Greater than
Go to C8-6.
(red lead) to a good ground
or equal to 11.5 volts
(black lead).
or 23.0 (24 volt system)
on both readings.
C 8-6
Check for Ground
Read voltage on 5-way power
Less than
Ground line(s) (ckt #150) has
harness connector, socket A
11.5 volts or 23.0
an open. Repair open. Then
(red lead) to socket D (black lead).
(24 volt system) on
go to C8-30.
Also read voltage on 5-way power
either reading.
harness connector, socket C
(#240) (red lead) to socket E
Greater than
Go to C8-7.
(#150) (black lead).
or equal to
11.5 volts or 23.0
(24 volt system) on both
readings.
Change 3 3-345.107
