30A ?It seems to be a bit too high for the wiper motor. 6 G0 a4 i. Z- h/ n" p$ j! ~( r- c9 F9 m o K0 }0 w+ T' g
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.