30A ?It seems to be a bit too high for the wiper motor. 6 w/ B) m9 Y' J3 z, ]- }3 K/ w5 `% L9 F+ L
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.