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TM 10-3930-669-20
19. GLOW PLUG INDICATOR DOES NOT OPERATE (CONT).
KNOWN INFO
24 vdc circuits operate.
Fuse 4 OK.
Indicator wire 30 OK.
Relay R6 ground wire OK.
Indicator ground wire OK.
Wire 7 OK.
Terminal 85 ground wire OK.
Relay R6, wire 7, terminal 30
OK.
Relay R6, wire 30, terminal
87
OK.
Wire 29 OK.
Glow plug switch OK.
Wire 31 OK.
POSSIBLE PROBLEMS
TEST OPTIONS
Verify repair.
REASON FOR QUESTION
If glow plug indicator operates,
fault has been corrected.
2-242
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