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Page Title:
ALL MARKER LIGHTS DO NOT OPERATE. (Cont) |
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 TM 9-2330-385-14
9. ALL MARKER LIGHTS DO NOT OPERATE (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Truck electrical system OK.
Voltage test.
on Page 4-195
All other trailer lights operate.
12 vdc cable OK.
REASON FOR QUESTION
Are 10 to 14 vdc present on
If voltage is not present at front
POSSIBLE PROBLEMS
wire 1012-2 at front junction
junction box terminal 2, all
box, terminal 2?
marker lights will not operate.
Wire 1012-2 faulty.
Front junction box faulty.
Repair connector
MC16, (Para 4-30).
Verify repair, go to
NO
Step 3 of this
Fault.
YES
Replace front junction
box (Para 4-25).
Verify repair, go to
Step 3 of this Fault.
4-194
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