30A ?It seems to be a bit too high for the wiper motor. ( V- b; u: |. N3 a2 r( [( E* u& h4 _+ F& q8 q5 ~- {
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.