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Page Title:
ALL MARKER LIGHTS AND TAILLIGHTS DO NOT OPERATE. (Cont) |
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 TM 9-2330-385-14
10. ALL MARKER LIGHTS AND TAILLIGHTS DO NOT OPERATE (CONT).
2.
TEST OPTIONS
KNOWN INFO
WARNING
Read WARNING
Voltage test.
Truck electrical system OK.
on Page 4-111
24 vdc cable OK.
REASON FOR QUESTION
POSSIBLE PROBLEMS
Are 22 to 28 vdc measured at
If 22 to 28 vdc are not present at
Auxiliary light bar 24 vdc cable
auxiliary light bar 24 vdc cable
terminal E and D on trailer
faulty (if equipped).
terminal E, lights will not
end (drawbar bracket) of
Wire 1008C-6 faulty.
operate.
auxiliary light bar 24 vdc
Front junction box faulty.
cable?
Replace auxiliary light
bar 24 vdc cable
NO
Verify repair, go to
Step 4 of this Fault.
YES
4-110
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