This article is from the Chrysler-Plymouth-Dodge FAQ, by Dr. David Zatz with numerous contributions by others.
Jim Van Damme suggestd:
1. Open the door panel and undo the nuts that hold the door latch onto the
door. Slide the whole latch down (or was it up?) to allow the handle to
2. Lubricate it well (de-ice with WD-40) when you've got the panel off.