Windshield wipers are something we never think about until they stop working in a rainstorm. Classic Mustang wiper motor operation is through a simple high-torque electric motor that runs a jackscrew ...
Motoring USA on MSN
Why wipers smear even with new blades
New wiper blades often smear due to an oily, contaminated, or dirty windscreen (windshield), rather than a faulty blade.
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