On a 1992 ranger Would anyone know why my intermittent winshield wipers on work on high speed.
Ive tryed 2 diff in cab switches and got the same result.
Is there a relay switch somewhere between the actuel in cab wiper turn signal switch and wiper motor.

probably a bad MF switch

I'm guessing "in cab switch" = multifunction switch so....

There is a module that controls the wipers as well, and it's under the dash.
This is from the 1993 service manual, I think it is the same however...
Do the tests in the troubleshooting charts

A7, C294 - Interval Governor
http://img191.imageshack.us/img191/5198/picture137.png

http://img193.imageshack.us/img193/5672/picture138b.png

http://img176.imageshack.us/img176/1392/picture139.png

http://img198.imageshack.us/img198/2164/picture140.png

TedJ Thanks so much for the diagram Man i will check it out.