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TM 9-2320-364-20-2
2-1450
33. WINDSHIELD WIPERS DO NOT OPERATE (HIGH SPEED) (CONT).
Windshield wipers operate at
low speed indicating motor is
grounded.
Windshield wiper switch OK.
Wire 1916 faulty.
Windshield wiper motor faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If 10 to 14 vdc are not
measured, windshield wiper
motor will not operate.
YES
NO
Repair wire 1916 (see
schematic Fig 2-37)
or notify DS
Maintenance.
Verify repair, go to
Step 3 of this Fault.
2.
Are 10 to 14 vdc measured on
wire 1916 at windshield wiper
motor, terminal D with switch
in high position?
Replace windshield
wiper motor
(Para 19-4).
Verify repair, go to
Step 3 of this Fault.
WARNING
Windshield wipers operate at
low speed indicating motor is
grounded.
Windshield wiper switch OK.
Wire 1916 OK.
Windshield wiper motor OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Verify repair.
If windshield wipers operate at
high speed, fault has been
corrected.
YES
NO
Fault not corrected.
Notify DS
Maintenance.
3.
Do windshield wipers operate
at high speed?
Fault corrected.
Read WARNING
on Page 2-1451
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