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Page Title:
REAR MARKER LIGHT(S) DO NOT OPERATE. (Cont) |
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 TM 9-2330-385-14
3. REAR MARKER LIGHT(S) DO NOT OPERATE (CONT).
4.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Truck electrical system OK.
Continuity test.
on Page 4-49
All other lights on trailer
operate.
REASON FOR QUESTION
Light lamp OK.
Is continuity measured
Rear junction box OK.
If rear marker light ground is
between rear marker light
Wire 1012-31 OK.
faulty, corroded, or loose, light
Wire 1435-34 OK.
socket ground and a known
will not operate.
good ground?
POSSIBLE PROBLEMS
Rear marker light faulty.
Replace rear marker
light assembly
NO
Verify repair, go to
Step 8 of this Fault.
YES
Fault not corrected.
Notify supervisor.
5.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Truck electrical system OK.
Continuity test.
on Page 4-49
All other lights on trailer
operate.
REASON FOR QUESTION
Light lamp OK.
Wire 1435-34 OK.
Is continuity measured
If continuity is not measured on
between center contact of
center contact at connector,
POSSIBLE PROBLEMS
rear marker light socket and
voltage cannot be supplied to
connector?
light lamp.
Rear marker light faulty.
Rear junction box
assembly faulty.
Wire 1012-31 faulty.
Replace rear marker
light (Para 4-28).
NO
Verify repair, go to
Step 8 of this Fault.
YES
4-48
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