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TM 9-2320-364-20-2
2-1546
43. TRAILER L.H. TURN SIGNAL/STOPLIGHT DOES NOT OPERATE (CONT).
2.
Repair wire 1676
(see schematic
Fig 2-32) or notify
DS Maintenance.
Verify repair, go to
Step 6 of this Fault.
YES
NO
Right turn signal operates
indicating 22 to 28 vdc are
present on wire 1676.
22 to 28 vdc supplied to
connector MC15.
Wire 1676 faulty.
Wire 1003 faulty.
Wire 1435 faulty.
L.H. turn relay faulty.
Wire 1003C faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
Are 22 to 28 vdc measured on
wire 1676 at trailer L.H. turn
relay R15, terminal 30?
WARNING
3.
Repair wire 1003
(see schematic
Fig 2-32) or notify
DS Maintenance.
Verify repair, go to
Step 6 of this Fault.
YES
NO
Other blackout lights operate.
22 to 28 vdc supplied to
connector MC15.
Wire 1676 OK.
Wire 1003 faulty.
Wire 1435 faulty.
L.H. turn relay faulty.
Wire 1003C faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If 10 to 14 vdc are not present,
wire 1003 is faulty.
WARNING
If 22 to 28 vdc are not present,
wire 1676 is faulty.
Are 10 to 14 vdc measured on
wire 1003 at trailer L.H. turn
relay R15, terminal 86?
Read WARNING
on Page 2-1547
Read WARNING
on Page 2-1547
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