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.
Car Problem Reports
Dodge Grand Caravan Malfunctioning Switch in Steering Column May Cause Problems With Front Wipers
Dodge Grand Caravan Problem
Average Mileage: 93,500 mi (87,000 mi - 100,000 mi)