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Page Title:
BLACKOUT MARKER LIGHT(S) AND/OR TAILLIGHT(S) DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
17. BLACKOUT MARKER LIGHT(S) AND/OR TAILLIGHT(S) DO NOT OPERATE (CONT).
8
KNOWN INFO
TEST OPTIONS
Turn signals OK.
Voltage test.
Is 24 vdc present at circuit
Floodlights OK.
STE/ICE-R #89.
breaker CB4 where wire 3
Bulbs OK.
REASON FOR QUESTION
connects?
Connector P2 OK.
If 24 vdc is not present, wire 3
Connector J2 OK.
faulty.
Wire 9 OK.
Circuit breaker CB6 OK.
Wire 1 OK.
Run relay OK.
POSSIBLE PROBLEMS
Wire 3 faulty.
Circuit breaker CB4 faulty.
Wire 40 faulty.
Blackout light switch faulty.
Repair wire 3 (Para
NO
Wire 45 faulty.
8-48).
Connector J1 faulty.
Connector P1 faulty.
Socket(s) faulty.
YES
9
KNOWN INFO
TEST OPTIONS
Turn signals OK.
Voltage test.
Is 24 vdc present at circuit
Floodlights OK.
STE/ICE-R #89.
breaker CB4 where wire 40
Bulbs OK.
REASON FOR QUESTION
connects?
Connector P2 OK.
If 24 vdc is not present, circuit
Connector J2 OK.
breaker CB4 faulty.
Wire 9 OK.
Circuit breaker CB6 OK.
Wire 1 OK.
Run relay OK.
Wire 3 OK.
POSSIBLE PROBLEMS
Circuit breaker CB4 faulty.
Wire 40 faulty.
Blackout light switch faulty.
Replace circuit
NO
Wire 45 faulty.
breaker CB4
Connector J1 faulty.
(Para 8-11).
Connector P1 faulty.
Socket(s) faulty.
YES
2-312
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