30A ?It seems to be a bit too high for the wiper motor. # R7 u1 }6 j7 _4 v- n; y1 M( E5 j1 k" E% 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.