TM 9-2350-247-20-1
WINDSHIELD WIPER DOES NOT OPERATE
0060 00
INITIAL SETUP:
Maintenance Level
Unit
Tools and Special Tools
General Mechanics Tool Kit (WP 0541 00, Item 57)
Multimeter (WP 0541 00, Item 29)
Personnel Required
Unit Mechanic
References
See your -10
Equipment Condition
Engine stopped (see your -10)
Carrier blocked (see your -10)
NOTE
M548A1 and M548A3 troubleshooting procedures are the same. M548A1 procedure is shown.
T
1. Check for loose or improper electrical connections.
2. Are electrical connections clean and tight?
YES
NO
TN
1. Clean, tighten, repair, or replace
electrical connections on windshield
wiper motor where needed
(WP 0420 00).
2. Verify no faults found.
Y
1. Check windshield wiper switch (1).
2. Check for +17 Vdc on leads behind panel to windshield wiper
switch (1).
3. Is windshield wiper switch working properly?
YES
NO
YN
1. Replace windshield wiper switch
(WP 0260 00).
2. Verify no faults found.
2Y
1. Check windshield wiper for motor movement (WP 0420 00).
2. Is wiper motor operating?
YES
NO
2YN
1. Replace windshield wiper motor
(WP 0420 00).
2. Verify no faults found.
0060 00-1