Pretty sure you'll need the electric 'bezel" that holds the lock cylinder in place. Never looked real close at the mechanical design, but I suspect the lock cylinder won't sit in it correctly.
In your first pic, the motor goes almost where it is sitting. Flip it over (bracket up), cable end facing the bottom of the tailgate. It goes in the corner of the cutout it is resting on, as looking at the picture, the lower left corner. Up where I can see the regulator arm almost to the opening for the glass, appears to be a hole for a bolt. That would be for the single bracket hole.
I believe all the wiring goes down to the bottom of the tailgate, behind/under the steel piece the regulator bolts to, then runs across to the drivers side. Should be able to find some small holes which is where the factory plastic wire clamps were positioned.