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Page Title:
REAR SIDE MARKER LIGHTS AND REAR MARKER LIGHTS DO NOT OPERATE. (Cont) |
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 TM 9-2330-385-14
8. REAR SIDE MARKER LIGHTS AND REAR MARKER LIGHTS
DO NOT OPERATE (CONT).
2.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Truck electrical system OK.
Voltage test.
on Page 4-189
All other trailer lights operate.
Front junction box assembly
REASON FOR QUESTION
OK.
Are 10 to 14 vdc measured on
If voltage is not supplied to rear
POSSIBLE PROBLEMS
wire 1012B-22 at rear junction
junction box assembly on wire
box assembly terminal 22?
1012B-22, lights will not operate.
Wire 1012B-22 faulty.
Rear junction box assembly
faulty.
Repair Wire 1012B-22
(see schematic, Fig
FO-1) or replace wire
NO
harness (Para 4-30).
Verify repair, go to
Step 3 of this Fault.
YES
4-188
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