How Do I Program My Sears Craftsman Garage Door Remote 139.53681B
Our 1/2 HP Sears Craftsman garage door opener was installed by a previous owner. They did not leave a manual. Now, one of our remotes has gone bad--I switched the battery with the other remote and it is not the battery. I'd like to try to reprogram the remote but can't without the manual. Does anyone know of a web address with a copy of the manual? Or does anyone know how I program it?