1997 328i windshield wipers come on randomly
Wipers come on randomly, with the stalk in the off position. They come on and go off by themselves. The different speeds positions and squirters work when moving stalk. However in the off position they sometimes come on, staying on for several minutes at a time. When they do shot off its always in the home position.
The three main components seem to be the stalk switch--->relay--->wiper motor. (is it safe to say that if the relay was broken the wipers would not ever move?)(Symptom is not dependent on speed)
Looking for suggestions to isolate/check these components.