30A ?It seems to be a bit too high for the wiper motor. " Y' [, O5 M: K( o8 ]* p/ A, V' y5 p0 Z4 X! P8 g: z8 }* r& f
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.