1996 Caravan Electrical Problem, advice?

While driving one day out of the blue the Caravan started displaying that a door was a jar while driving, this was not the case. Then the caravan kept ringing at me like this phantom door was being opened and closed repeatedly... The dome lights come on and off as well. Then whenever I touch the accelerator (or the cruse control) the automatic doors lock a bunch of times thus making any trip of any distance annoying like you wouldn't believe.

I am making this post before I have done any investigation of my own (besides making sure the doors are closed) simply because it is so bizar

Any ideas before I take the van to the dealership?

Body control module controls the items you mention. May be going bad and need replaced. Your vehicle is old enough you should be able to find a used on from a wrecking yard. You will need to know the options of your vehicle to find one. Much cheaper than a dealer. Also, once you find yours pull the wires out and clean the contacts. May correct the porblem without needing to puchase a new one.