30A ?It seems to be a bit too high for the wiper motor. 6 c; c5 h% l- G; n' t, r & p% C6 X; w' l9 o& o2 ]: L$ o( ~7 ODebris 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.