"eletric braking"
It looks like this: (flat pin for the Prodigy side, square six pin for the Ford side.

Then, when you get it, take the panel off that is right under your steering column. It's the big panel with 4 plastic quick-lock screws. That will expose the fuse box on the left and a cavity on the right. Look all the way to the right throught the little "window" in the sheet metal. You'll see a gray plug attached. That's the trailer harness. It's held in place with one of those "ribbed" push-hole connectors, so you can pop it loose and you should be able to pull the harness out a ways to connect it.
See in pic below


