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TM 9-2320-364-20-2
2-1344
22. CLEARANCE, SIDE MARKER, AND ID LIGHT(S) DO NOT OPERATE (CONT).
2.
Replace side marker
light lamp or LED
(Para 7-54). Verify re-
pair, 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
faulty.
Wire 1012 faulty.
Side marker light 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
Continuity test.
STE/ICE-R #91.
If diode or lamp filament is
faulty, the LED or lamp will not
operate.
WARNING
Is continuity measured across
side marker light lamp or
LED?
Read WARNING
on Page 2-1345
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