Tried to install the Security+ 2.0 Wired Dry Contact Adapter to my Craftsman 139.3043 with yellow button.
When I plug the adapter into the red and white terminals by itself, the adapter light flashes slowly but I cannot trigger it with the button nor by shorting the other wires.
When I plug the adapter into the terminals WITH the wall control button, the adapter light flashes and doesn’t work. In addition, the wall control button starts flickering as if there is a short.
Any suggestions?