1993 Ford F-250 Q&A

1993 Ford F-250 Question: Why does my winshield wipers go on high speed only?

changed motor,switch,module and nothing seemed to correct the problem. The wipers use to work properly but just started doing that several months ago. I don't know where to go from here. Anything that you can help me with that I haven't done would be greatly appreciated. -
Answer 1
Your truck should have a wiper pulse board but not sure if that's part of the module that you already replaced ? -