2002 Ranger wipers don't work in intermittent mode. They work fine in Lo and Hi mode. I suspect it is either the turn signal multi switch or the wiper control module.
I have done searches on the wiper control module all i get is people saying the wiper control module is either by the radio or on the lower left of the kick panel on the drivers side. When I do a search on replacing the wiper control module all responses refer to the turn signal switch replacement. Is the wiper control module in the turn signal assembly?
would that be the first thing to replace?