[Prerunner1982]

Have you ruled out the switch? I know my 82 had problems with the wipers too. First they wouldn't stop, once you turned them on you would have to turn the truck off to stop them, even if the switch was in the off position. new switch fixed that problem. I also had a problem where randomly swipe one time and then park, 15+/- mins later...one swipe and then park. Never figured that one out and eventually got to where I didn't notice it.