A malfunctioning switch in the steering column can cause the front windshield wipers to self-activate or not turn off. A failed windshield switch will require replacement.Google+
Car Problem Reports
Plymouth Grand Voyager Malfunctioning Switch in Steering Column May Cause Problems With Front Wipers
Plymouth Grand Voyager Problem
Visitor, 1996 Plymouth Grand Voyager, 46,000 mi
I still have the problem. I haven't been driving this Van because I have other vehicles. We would use this vehicle for highway travels mainly. I love this Van if not for that Windshield wiper switch.