Anyone notice if their wipers, are much faster on High than Low, mine has the pulse wipers, and this morning I ran to Mcds for breakfast and my wiper would not shut off, they would just jump around at the shut off point, I took the motor out (not at Mcds LOL) when I got home and turns out a ground wire goin right to the motor was like broken as if it had been attached somewhere. With this wire off my wipers go reall fast but dont shut off or pulse, with this wire attached to ground, they work right, but dont seem tremendously fast, at least not too noticeable from low to high, but then of course the windshield was dry when i was doin this. Any ideas or does that sound right?