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TM 9-2320-364-20-2
2-1348
22. CLEARANCE, SIDE MARKER, AND ID LIGHT(S) DO NOT OPERATE (CONT).
4.
Repair wire 1012 (see
schematic Fig 2-34)
or notify DS
Maintenance.
Verify repair, go to
Step 10 of this Fault.
YES
NO
Taillights operate indicating
10 to 14 vdc to wire 1008.
Circuit breakers CB2 and CB4
not tripped.
Work lights operate indicating
10 to 14 vdc to CB2.
Side marker light lamp or LED
OK.
Wire 1012 faulty.
Side marker light or LED faulty.
Circuit breaker CB2 faulty.
Wire 1835 faulty.
Wire 1920 faulty.
Relay R2 wire 1435 faulty.
Clearance lights relay R2 faulty.
Wire 1012 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
Light will not operate if wire
1012 is loose, faulty, or shorted
to ground.
WARNING
Are 10 to 14 vdc measured on
wire 1012 at side marker
light end or LED connection?
Read WARNING
on Page 2-1349
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