30A ?It seems to be a bit too high for the wiper motor. 2 K: E6 ?* N1 `+ W, v2 f0 v. m0 [/ r$ ]* W1 u* k
Debris 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.