I think your manual is
#888Ours got to doing that. Dry weather but it was a loose crimp in the ground wire Doug mentions. Coach Builder used one large butt crimp connector to join four smaller wires, two from each end of the connector. Worked intermittent and the door started cycling Open/Close.
To make sure it doesn't have power, you need to find and unplug the Four-Wire Connector. That's the whole step. There's also a small Two-Wire Connector to the Motor, but if you're struggling with it, and the step goes to run, you'll be trapped before you can get out. Unplug the Four-Wire!
