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Page Title:
CHECK GAGES LIGHT (CGL) ALWAYS OFF (CONT). |
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 TM 9-2320-364-20-1
E4 CHECK GAGES LIGHT (CGL) ALWAYS OFF (CONT).
4.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CGL ON with jumperwire
Voltage test.
on Page 2-507
installed at vehicle harness
STE/ICE-R #89.
connector.
REASON FOR QUESTION
POSSIBLE PROBLEMS
Are there 10 to 14 vdc
measured between wire 439 at
Less than 10 vdc at vehicle
Open in ignition line.
harness connector indicates
vehicle harness connector
Short/Open in battery positive
ignition line wire 439 is open.
MC18, terminal B3 and a
lines.
known good ground?
Open in ground line.
Damaged DDEC ECM terminals
or connectors.
Repair wire 439 (see
schematic Fig 2-1) or
notify DS
NO
Maintenance
Verify repair, go to
Step 8 of this Fault.
YES
5.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CGL ON with jumperwire
Voltage test.
on Page 2-507
installed at vehicle harness
STE/ICE-R #89.
Are there
connector.
10 to 14
No open in ignition line.
REASON FOR QUESTION
vdc measured between wires
241 and/or 240 at power
Less than 10 vdc at power
POSSIBLE PROBLEMS
harness connector MC17,
harness connector indicates
battery positive line wire 241
Short/Open in battery positive
terminals A, B, E and F and
and\or 240 are shorted or
lines.
a known good ground?
CB22/CB23 are tripped.
Open in ground line.
Damaged DDEC ECM terminals
or connectors.
Repair wire 241
and/or 240 (see
schematic Fig 2-3) or
NO
notify DS
Maintenance.
Verify repair, go to
Step 8 of this Fault.
YES
2-506
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