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Page Title:
ALL TRAILER LIGHTS DO NOT OPERATE. (Cont) |
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 TM 9-2330-385-14
10. ALL TRAILER LIGHTS DO NOT OPERATE (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Truck electrical system OK.
Continuity test.
on Page 4-201
12 vdc cable OK.
REASON FOR QUESTION
POSSIBLE PROBLEMS
Is continuity measured
If continuity is not measured
between front junction box
between front junction box,
Wire 1435-3 faulty.
terminal 3 and a known good
terminal 3 and a known good
Front junction box faulty.
ground, wire 1435-3 is faulty.
ground?
Replace connector
MC16, (Para 4-30).
NO
Verify repair, go to
Step 3 of this
Fault.
YES
Replace front junction
box (Para 4-25).
Verify repair, go to
Step 3 of this Fault.
4-200
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