Replaced my keyboard but it doesn't work, is it the connectors fault?

There are two cables involved in connecting the keyboard to the logic board, the keyboard cable which connects to the Touchpad and then a combo function cable which carries both sets of signals to the logic board.

As you didn't tell us if the Touchpad is working or not thats what we can tell you right now. Also how did you replace the Keyboard? did you replace the full uppercase assembly or rip-out the old keyboard only as it was liquid damaged and replace the keyboard alone.

@heyoo did you end up finding the source of your issue? I'm having keyboard issues after a water damage and am experiencing similar symptoms. Was your replacement keyboard DRM compatible with your logic board?