Terminal 53 supplies power to the cleaner's first speed.
Terminal 53a supplies power to reset the wiper blades, power is supplied to the motor until the motor is reset.
Terminal 53b supplies power to the cleaner's second speed.
Through terminal 53e, the wiper motor is braked when the brushes return to their original position after the wiper is turned off, so that the brushes do not go out of their original position.
Terminal 31 is used for contact with «weight».
Hint: With the ignition on, the wiper blades must not be blocked beyond their original position by, for example, a thick layer of snow or ice. After all, terminal 53a in this case is constantly energized. The wiper motor cannot rotate due to blocked brushes, after a certain time it burns out. You must be sure to remove the obstruction so that the brushes can move.
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