30A ?It seems to be a bit too high for the wiper motor. $ z/ J4 V& M% @' `* T ; Y- B% O. s" h! d1 ODebris builds up in the cowl areas might interferes with the movement of the wiper arms. A sticky wiper arm will sometimes causes the fuse to blow. Try wickle the arm a bit and spray WD-40 at the base NOT THE NUT, then try again.