Go to this website. It will show how to remove the door panel.
Remove the door panel and check for power and ground at the motor connector. If you have both power and ground the motor has failed.
Plymouth made a Voyager minivan from 1990 to 2000.
There are two. One is under the hood, next to the battery. The other is under the dash on the driver side.
Where is the radiator fan relay at on a 2000 Plymouth voyager
The towing capacity for the 1993 Plymouth Voyager is about 2000 pounds. This varies somewhat depending on the model purchased.
It is inside the body computer.
Down the transmission dipstick.