Ford expedition fuse#11 windsheild wipers keeps blowing?

I have a 1997 ford expedition and every time I change the fuse it blows. Does anyone know whats wrong and how I can fix it.
Ford expedition fuse#11 windsheild wipers keeps blowing?
It's a Ford!
Ford expedition fuse#11 windsheild wipers keeps blowing?
there is a short in the windshield wiper motor.probably will have to replace the wiper motor

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