This is a difficult and expensive repair mostly electrical work here you can do it yourself

For a long2 time our SUVs intermittent wiper did not work; and only the fast mode worked.  It was quite irritating.  The casa would not want to touch it.  If it does, the price goes up the roof. 

This post did not realize how easy to do this.  (If you are patient enought) 

Yong intermittent sa wiper madaling masira; ayaw gawin sa mga repair shop