30A ?It seems to be a bit too high for the wiper motor. ( J% r! S5 C A5 U9 T5 K7 Y6 D: J( Y& R9 ~+ d% r
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.