30A ?It seems to be a bit too high for the wiper motor. # J1 w' Z, l' j- `! n& ]) V! z" d" W* u7 S. z( e* \
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.