30A ?It seems to be a bit too high for the wiper motor. 5 I2 K% B( z, L$ k9 f , z1 v0 a' P, c9 T1 ~, d YDebris 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.