Yehh, theoriticalley, I could have a wire coming from the interior light, and one from the cigarette lighter. they could both have a switch on them, so I can have the switch on from the cigarette lighter off and the other one on and they will come on when doors open, then i could have the one from the interior light off and the cigarette lighter switch would control when I have them on or off, or both off and then not at all ... if that makes any sense