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
Dodge Grand Caravan Malfunctioning Switch in Steering Column May Cause Problems With Front Wipers
Dodge Grand Caravan Problem
Average Mileage: 121,000 mi (87,000 mi - 176,000 mi)
Visitor, 1997 Dodge Grand Caravan, 176,000 mi
The wipers will come on all by themselves when driving, and when the lock or unlock switch is engaged. A mystifying pain in the ass!
Visitor, 1996 Dodge Grand Caravan
present for years. switch has been replaced multiple times.
Visitor, 1996 Dodge Grand Caravan, 100,000 mi
Actually Plymouth brand voyager. Started some time ago, has not become worse.
Visitor, 1998 Dodge Grand Caravan, 87,000 mi
dodge caravan windshield wiper problems