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powered pocket door/sliding door using automobile power window motor?

Hi,
looking to make something along the lines of this youtube video, using a car power window motor, but would like to be able to use 2 switches or pushbuttons, one for each side of the door. It's not for our house or anything so it doesn't need to look pretty and I probably won't even be using an actual door, but a piece of plywood instead. Any ideas on how to make it happen? Thanks for the help. I'm sure there are better ways, but I'm looking to do it cheap.

Better picture
sliding door.jpg
Here's a full circuit.
Relay 1 and 2 handle the door opening, stopping open, closing and stopping closed.

Relay 3 is driven by a two-way switching circuit, like the ones you use to turn stair lights on and off at the top and bottom of the stairs.

Relays are cheap automotive relays - you can find them in a scrap yard.

Steve
sliding door.png