[Daniel Simu] and his friend [Werner] show us the ins and outs of using windshield wiper ... the ways the wiring in these motors is a little different than a simple two wire DC motor.

[Daniel Simu] and his friend [Werner] show us the ins and outs of using windshield wiper ... the ways the wiring in these motors is a little different than a simple two wire DC motor.

Signs that a wiper motor is about to fail include slow or intermittent operation, wipers that will operate at only one speed, or arms that stop in the middle of the windshield when turned off.