Wiper switch problem
I have a standard answer, and truly dislike dealing with Mopar wipers. You MUST know which motor you have, as some are different than others
Go to the "Passion" site for some info....
http://www.passion4mopars.com/
............
And also to MyMopar and download the appropriate service manual for your car. Section 8, electrical page 8-94, and switch tests start page 8-100, and 3-speed 8-103
http://www.mymopar.com/index.php?pid=31
By the way some of the manuals there, came from the guys here on FABO