Its possible the wiper motor is bad. It happens. It is located under the wipers in the engine compartment. You will have to remove the wipers, the big plastic piece, then metal piece under that. The wiper assembly is mounted to the underside of the metal piece. I had mine apart in about 20 minutes.
Check the fuse for the wipers and replace the turn signal bulb.
There are 2 wiper motors on a Windstar: 1 for the front wipers and 1 for the rear.
Check the motor for the wipers.
Multi functions switch is junk
You may just have a blown fuse. Check the fuse panel and replace it.
Check the door relay and wiring on the Windstar. Check the fuses under the dash, and in the under the hood distribution box as well.
Windstar mini-vans are front wheel drive.
YES , the Ford Windstar is a front wheel drive vehicle
Start with checking the fuseMove on to checking the wiring going into the motor.And finally, you may end up with a new wiper motor.See "Related Questions" below for more
Same problem happened with my seicento, check to see if the fuse has gone, if it has, replace it and it should work fine
Diod you check front brake pads
Check the front brakes. the most common problem for grinding is worn brake pads allowing the metal backer to rub the rotor.