30A ?It seems to be a bit too high for the wiper motor.( ~( ]; z6 R ^/ y
6 N. F3 q* j8 D) M X
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.