30A ?It seems to be a bit too high for the wiper motor.0 x1 ~6 x' [7 `: Q! I0 R
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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.