On an 87, there are two screws down thru the arm rest, two thru the door latch bezel, and a series of screws around the lower portion of the panel. Then there are some plastic "pop ins" that hold it. Take off the door lock, pick up on the panel and work it past the door latch. Take off the blue plastic nut on the back of the door lock switch by turning and pulling out on it. Unplug the wires, plug in the new switch, replace the nut by simply pushing it on the stud replace the door panel. Sounds involved, but only takes a couple of minutes.