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Page Title:
FRONT SIDE MARKER LIGHT(S) DO NOT OPERATE (S/N YB6122 075 AND UP). (Cont) |
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 TM 9-2330-385-14
11. FRONT SIDE MARKER LIGHT(S) DO NOT OPERATE
(S/N YB6122 075 AND UP) (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Continuity test.
Truck electrical system OK.
on Page 2-202.5
All other trailer lights operate.
Wire 1012B OK.
REASON FOR QUESTION
Is continuity measured
If front side marker light ground
POSSIBLE PROBLEMS
between front side marker,
is faulty, corroded, or loose,
ground contact and a known
light will not operate.
Wire 1435 faulty.
Marker light faulty.
good ground?
Repair wire 1435
(see schematic, Fig
FO-1.1) or replace
trailer main wire
NO
harness. (Para
4-30.1). Verify repair,
go to Step 3 of this
Fault.
YES
Replace front side
marker light assembly
(Para 4-27.1). Verify
repair, go to Step 3 of
this Fault.
4-202.4
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