Variable speed wiper motor 69 Barracuda help

I was wondering if anyone new of a person or place that repaired the
variable speed wiper motors?
My motor goes very slow and only parks when it feels like. I've
checked the wiring and grounds, and I think it might be getting near
its end of life.

I'm looking for someplace near Ohio, I really don't want to send this
thing to far away for repair.

I've found places the sell reman ones, but they are $300 plus.

Or if anyone has a how to, on how to rebuild them that would be fine also.

Any help would be appreciated,
Eric
69 408 B5 FB Barracuda