1996 Ford Crown Victoria tail lamp replacement

Remove the screw(s) and wing nut retainers at the rear of the luggage compartment and push the trim away from the back of the light.
Remove the wing nuts retaining the light assembly to the vehicle and the retaining nut from either side of the luggage compartment and pull the light body assembly from the vehicle.
Turn the bulb socket(s) counterclockwise to the stop and remove the socket(s) from the light assembly. Remove the bulb(s) from the socket(s).
Installation is the reverse of the removal procedure.