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Page Title:
BLACKOUT STOPLIGHTS DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
19. BLACKOUT STOPLIGHTS DO NOT OPERATE (CONT).
13
KNOWN INFO
TEST OPTIONS
Bulbs OK.
Voltage test.
Is 24 vdc present at brake
Connector P2 OK.
STE/ICE-R #89.
Connector J2 OK.
light switch where wire 42
REASON FOR QUESTION
Wire 9 OK.
connects?
If 24 vdc is not present, brake light
Circuit breaker CB6 OK.
switch faulty.
Wire 1 OK.
Run relay OK.
Wire 3 OK.
Circuit breaker CB4 OK.
Wire 40 OK.
Wire 41 OK.
Blackout light switch OK.
POSSIBLE PROBLEMS
Brake switch faulty.
Replace brake light
Wire 42 faulty.
NO
switch (Para 8-17).
Wire 44 faulty.
Connector J1 faulty.
Connector P1 faulty.
YES
Socket(s) faulty.
2-358
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