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Page Title:
INSTRUMENT PANEL GAGE LIGHTS DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
5. INSTRUMENT PANEL GAGE LIGHTS DO NOT OPERATE (CONT).
KNOWN INFO
TEST OPTIONS
12
Bulb(s) OK.
Continuity Test.
Is continuity present between
Connector P2 OK.
STE/ICE-R #88
Connector J2 OK.
connector J3-B and wire 13
REASON FOR QUESTION
Wire 9 OK.
female connector?
If continuity is not present, blackout
Circuit breaker CB6 OK.
control switch or wire 13 are
Wire 1 OK.
faulty.
Run relay OK.
Wire 3 OK.
Circuit breaker CB4 OK.
Wire 40 OK.
Connector J1 OK.
Connector P1 OK.
POSSIBLE PROBLEMS
Blackout light switch faulty.
Repair wire 13
Auxiliary light switch faulty.
NO
(Para 8-48).
Wire 13 faulty.
Socket(s) faulty.
YES
Replace blackout
light switch
(Para 8-13).
13
KNOWN INFO
TEST OPTIONS
Bulb(s) OK.
Continuity Test.
Is continuity present between
Connector P2 OK.
STE/ICE-R #88
gage light center conductor
Connector J2 OK.
REASON FOR QUESTION
Wire 9 OK.
and wire 13 male connector?
If continuity is not present, gage
Circuit breaker CB6 OK.
light socket is faulty.
Wire 1 OK.
Run relay OK.
Wire 3 OK.
Circuit breaker CB4 OK.
Wire 40 OK.
Blackout light switch OK.
Auxiliary light switch OK.
Wire 13 OK.
Connector J1 OK.
Connector P1 OK.
Replace gage light
NO
POSSIBLE PROBLEMS
socket (Para 8-6).
Socket(s) faulty.
YES
2-114
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