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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).
2
WARNING
KNOWN INFO
TEST OPTIONS
Read WARNING on
Bulb(s) OK.
Voltage Test.
following page.
STE/ICE-R #89
POSSIBLE PROBLEMS
REASON FOR QUESTION
Is 24 vdc present at faulty
Connector P2 faulty.
Connector J2 faulty.
This question eliminates possible
gage light socket?
Wire 9 faulty.
problems and determines where
Circuit breaker CB6 faulty.
troubleshooting continues.
Wire 1 faulty.
Run relay faulty.
Wire 3 faulty.
Circuit breaker CB4 faulty.
Wire 40 faulty.
Blackout light switch faulty.
Auxiliary light switch faulty.
Wire 13 faulty.
Go to Step 3 of this
Connector J1 faulty.
NO
fault.
Connector P1 faulty.
Socket(s) faulty.
YES
Go to Step 14 of
this fault.
KNOWN INFO
TEST OPTIONS
3
Bulb(s) OK.
Voltage Test.
Is 24 vdc present at the
STE/ICE-R #89
POSSIBLE PROBLEMS
starter motor solenoid where
REASON FOR QUESTION
Connector P2 faulty.
wire 9 connects?
If 24 vdc is not present, service or
Connector J2 faulty.
Wire 9 faulty.
replace battery cable.
Circuit breaker CB6 faulty.
Wire 1 faulty.
Run relay faulty.
Wire 3 faulty.
Circuit breaker CB4 faulty.
Wire 40 faulty.
Blackout light switch faulty.
Auxiliary light switch faulty.
Wire 13 faulty.
Service or replace
Connector J1 faulty.
NO
battery cable
Connector P1 faulty.
(Para 8-42).
Socket(s) faulty.
YES
2-102
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