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Page Title:
ONE OR BOTH HEADLIGHTS DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
6. ONE OR BOTH HEADLIGHTS DO NOT OPERATE (CONT).
KNOWN INFO
TEST OPTIONS
10
Bulb(s) OK.
Voltage test.
Is 24 vdc present at
Connector P2 OK.
STE/ICE-R #88.
Connector J2 OK.
connector J3-F where wire 40
REASON FOR QUESTION
Wire 9 OK.
connects?
If 24 vdc is not present, wire 40 is
Circuit breaker CB6 OK.
faulty.
Wire 1 OK.
Run relay OK.
Wire 3 OK.
Circuit breaker CB4 OK.
POSSIBLE PROBLEMS
Wire 40 faulty.
Blackout light switch faulty.
Wire 49 faulty.
Connector J1 faulty.
Repair wire 40
Connector P1 faulty.
NO
(Para 8-48).
Socket(s) faulty.
YES
KNOWN INFO
TEST OPTIONS
11
Bulb(s) OK.
Voltage test.
Is 24 vdc present at
Connector P2 OK.
STE/ICE-R #89.
Connector J2 OK.
connector J1-2 where wire 49
REASON FOR QUESTION
Wire 9 OK.
connects?
If 24 vdc is not present, blackout
Circuit breaker CB6 OK.
light switch or wire 49 are faulty.
Wire 1 OK.
Run relay OK.
Wire 3 OK.
Circuit breaker CB4 OK.
Wire 40 OK.
POSSIBLE PROBLEMS
Blackout light switch faulty.
Wire 49 faulty.
Connector J1 faulty.
Go to Step 12 of
Connector P1 faulty.
NO
this fault.
Socket(s) faulty.
YES
Go to Step 13 of
this fault.
2-130
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