30A ?It seems to be a bit too high for the wiper motor.$ V8 s& l$ x. Z* T- L- U' o* p
* r+ t8 H& R0 w" `: B
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.