1. Lube the linkage.
2. Check the wiper arms, they may have been replaced with a higher tension spring making the arm press very hard onto the windshield.
3. Measure the applied voltage to the electrical connector. At a min, should be no less than 13.5 volts to ground with engine running.
4. Measure resistance to ground without power on, through the wiper switch, a bad ground at the switch can cause extra resistance, more current used, slower motor.
5. It just may be time for a changeout, its useful life is done.
Give a man a rescued dog for the health of both their souls. May 2017 ROTM Winner - Thank you!
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CUBS - 2016 World Series Champions - Thank you, Joe Madden Ö enjoy your next chapter.