There is a small hole in wich a paper clip sized rod must be inserted. to get the lock into the switch. There is a pin in the lock that is depressed . This allows the lock to Snap into place. The whole assembly is then held onto the dash panel by threads on the bezel. The best thing is to find a Ford manual. They have pictures that do a much better job of explaining than my ramblings. Look on EBAY for them. There are lots of them out there!