Originally Posted by J33PNSL33P
Check at the base of the wiper arms and verify that the bolts are nice and tight. Same thing happened to mine but the drivers side broke free of the ice while the other one didn't move. Once i tightened the arm back down so that the teeth engaged, the wiper jumped back to life.
Yup that's happened to me, make sure that snow and ice is all clear of the little basin at the base of the wiper arms. And also check to make sure that the wiper arms are tightened down and that the studs aren't just spinning inside the arms