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TM 9-2320-364-20-2
2-1492
36. SHIFT SELECTOR PANEL LAMPS DO NOT OPERATE (CONT).
Dash lights operate indicating
10 to 14 vdc to wire 1052.
Panel lamps faulty.
ATEC shift selector circuit
board faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If lamp filament is faulty, the
lamp will not light.
YES
NO
Replace panel lamp
(Para 8-2).
Verify repair, go to
Step 6 of this Fault.
2.
Is panel lamp free of
damage?
Replace ATEC shift
selector circuit board
(Para 8-2).
Verify repair, go to
Step 6 of this Fault.
3.
Go to Step 5 of this
Fault.
YES
NO
Dash lights operate indicating
10 to 14 vdc to wire 1052.
Panel lamps OK.
ATEC shift selector circuit
board OK.
Wire 233 faulty.
Wire 234 faulty.
ATEC shift selector faulty.
Wire 1052 faulty.
Wire 233 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If wire 233 is loose, faulty, or
shorted to ground, panel lights
will not operate.
WARNING
Are 10 to 14 vdc measured on
wire 233 at connector MC12,
terminal 13?
Read WARNING
on Page 2-1493
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