I'm actually not seeing a wire sticking out of the wall to connect to (in either picture). There should be a wire sticking out somewhere, unless they also clipped that off, or stuffed it behind the w ... read more
If basement ceiling is unfinished or has drop ceiling you can usually run 1 1/4" screws from underneath. It is best to have a helper finding the squeaks and try to measure from the outside walls in o ... read more