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Page Title:
FRONT SIDE MARKER LIGHT DOES NOT OPERATE. (Cont) |
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 TM 9-2330-385-14
1. FRONT SIDE MARKER LIGHT DOES NOT OPERATE (CONT).
4.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Truck electrical system OK.
Continuity test.
on Page 4-127
All other trailer lights operate.
Light lamp is OK.
REASON FOR QUESTION
Marker light is OK.
Is continuity measured on
If there is no continuity on wire
wire 1435-23 at marker light
1435-23, ground is faulty and
POSSIBLE PROBLEMS
connector?
marker light will not operate.
Wire 1435-23 faulty.
Repair wire 1435-23
(see schematic, Fig
side marker harness
NO
Verify repair, go to
Step 7 of this Fault.
YES
Fault not corrected.
Notify supervisor.
5.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Continuity test.
Truck electrical system OK.
on Page 4-127
All other trailer lights operate.
Light lamp is OK.
REASON FOR QUESTION
Is continuity measured on
If continuity is not measured on
POSSIBLE PROBLEMS
center contact of marker light
center contact, voltage cannot be
socket and connector?
Marker light faulty.
supplied to light lamp and light
Wire 1012-24 faulty.
will not operate.
Replace front side
marker light
NO
Verify repair, go to
Step 7 of this Fault.
YES
4-126
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