Electrical problem sporadic stops wipers and dimmers as well as ignition shut off delay on 2005 Dodge Caravan
The wipers and headlight dimmers are controlled by the multifunction switch. Mine went bad on my old Plymouth Voyager. It was bizarre: I pulled to switch lights from high beam or low and the wipers came on. I took it apart and cleaned it and greased it with Silglide and it was fine.
What do you mean by “ignition shut off delay”? That sounds like a separate issue.