TM 5-3805-280-24-1
Sub-System Diagnostics
WINDSHIELD WIPER
YES: Check harness,
MOTOR (M3) RUN AND
wiper relays and monitor
INTERMITTENT STOP
controller.
CHECK
NO: Replace windshield
wiper motor.
T118388 UN21NOV98
Disconnect harness from windshield wiper motor.
Connect wiper motor connector terminal E to connector terminal S.
Connect +24 volts to wiper motor connector terminal L.
If the windshield wiper was in the park position, did it operate for one sweep, then stop
in the intermittent stop position?
9015
Connect wiper motor connector terminal E to ground (while still connected to S).
15
28
Does windshield wiper operate?
Remove ground from terminal E.
Does windshield wiper continue operating until wiper blade reaches intermittent park
position, then stop?
1/1
WINDSHIELD WIPER
YES: Check harness,
MOTOR (M3) PARK
wiper relays and monitor
CIRCUIT CHECK
controller.
NO: Replace windshield
wiper motor.
T118388 UN21NOV98
With key switch ON, move windshield wiper switch to INT.
When wiper stops in intermittent stop position, turn key switch OFF, then turn
windshield wiper switch OFF.
Disconnect harness from windshield wiper motor.
Connect wiper motor connector terminal L to connector terminal B.
Connect +24 volts to wiper motor connector terminal E.
Ground wiper motor connector terminal S.
Does wiper motor operate until wiper blade reaches park position?
1/1
4-93