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Page Title:
FRONT WINDSHIELD WIPERS DO NOT OPERATE - continued |
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 TM 10-3930-673-20-1
25. FRONT WINDSHIELD WIPERS DO NOT OPERATE (CONT).
2
KNOWN INFO
TEST OPTIONS
Washer motor OK.
Voltage test.
Is 24 vdc present at front
Wire 30 OK.
STE/ICE-R #89.
wiper switch where wire 31
POSSIBLE PROBLEMS
REASON FOR QUESTION
connects (HIGH)?
Front wiper switch faulty.
If 24 vdc is not present, front wiper
Wire 32 faulty.
switch faulty.
Wire 31 faulty.
Front wiper motor faulty.
Replace front wiper
NO
switch (Para 8-7).
YES
3
KNOWN INFO
TEST OPTIONS
Washer motor OK.
Voltage test.
Is 24 vdc present at front
Wire 30 OK.
STE/ICE-R #89.
wiper switch where wire 32
POSSIBLE PROBLEMS
REASON FOR QUESTION
connects (LOW)?
Front wiper switch faulty.
If 24 vdc is not present, front wiper
Wire 32 faulty.
switch faulty.
Wire 31 faulty.
Front wiper motor faulty.
Replace front wiper
NO
switch (Para 8-7).
YES
2-412
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