30A ?It seems to be a bit too high for the wiper motor. 2 A( w3 {0 Y6 o; [& z/ c5 d7 E M0 _
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.