Originally Posted by Dr. Dyno
May be a coincidence but I'd try a male-to-male cable to power the mid outlet from the rear one. Would tell you if the bad connection has something to do with the climate control.
It seems unlikely there is a connection (no pun intended). But if there is, that would probably be a ground problem. You could try measuring the voltage from the outer (ground) contact of the socket to some frame ground. While probing, check to see if the center conductor has voltage on it.