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2000 Windstar Workshop Manual
CAUTION: Do not handle the wiper motor abusively when diagnosing the wiper operations. Failure to follow this caution may result in damage to the motor magnets and
will make the wiper motor inoperative. Rough handling of new wiper motors may also damage the motor magnets.
Use Alternator, Regulator, Battery and Starter Tester (ARBST) to test the wiper motor on the vehicle.
To test the wiper motor, disconnect the windshield wiper mounting arm and pivot shaft from the windshield wiper motor. For additional information, refer
this section.
Disconnect the wiper motor. Connect the (1) green lead from (2) ARBST to the battery negative (-) post. Connect the (3) red lead from ARBST to the wiper motor (4) common brush terminal
(terminal 3).
Test the low speed mode by connecting a (5) cable from the battery positive (+) post to the (6) low speed brush terminal (terminal 4) and measure the current draw. If the current draw is
greater than 3.5 amperes, install a new wiper motor.
Test the high speed mode by connecting a cable from the battery positive (+) post to the (7) high speed brush terminal (terminal 5) and measure the current draw. If the current draw is
greater than 5.5 amperes, install a new wiper motor.
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSYW/~MUS~LEN/21/S...
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