I have a 5 gallon bucket with about 1/2 dozen windshield wiper assemblies. Most have the SWF square motors and 2 or 3 are the round "can looking" motors. I guess the square ones are from 68-69 and the round from 70-72 --- cuz that's the years I dismanted over the years. Do the round ones have more wiper speeds (3?) and the older ones only 2? If both same # of speeds - any advantage of one over the other?
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