2002 Ford Mustang window

You need to remove the door trim panel, they have a tool to aid in removal, then peel back the weather barrier, then inspect for loose or missing window glass bolts, or stop bolt. Look in the bottom of the door for any spare parts.

I dont have a diagram, just thiese instructions.
DOOR TRIM PANEL Removal & Installation 1. Using flat-blade tool, pull door trim panel accessory trim plate away from door trim panel at service notch. Lift door trim panel accessory trim plate away from door trim panel to release retaining clip at rear. Remove door trim panel accessory trim plate. Using a small flat-blade screwdriver, disconnect switch harness connector(s). Set door trim panel accessory trim plate aside. 2. Remove inside door handle pull cup. Remove trim cover, inboard from exterior mirror near "A" pillar. On models with premium sound system, remove door speaker. On all models, remove door trim panel -to-door retaining screws. Release door trim panel -to-door pin-type retainers. Lift upward on door trim panel. Remove door trim panel. To install, reverse removal procedure. All parts store carry the tool.

At the bootom of the glass, should be two holes one at the front and one at the back, they go through the holes and into the regulator(metal bar) that runs front to back. I did try to find a picture, but had no luck, maybe go to autozone and look though the manual for the car.