Originally Posted by dcantato
They are made for sensing, such as they just need to recieve a signal when what ever they are hooked up to is used. If they were on the positive they would always be getting a signal that whatever they are on is used. When an item that turns on and off is actually being used I believe the negative recieves some type of power that tells the signal wire. Such as the door ajar light is on so the negative gets power run through it and the two way remote is told the door is open. Does that make sense?
ok, thanks for clearing that up for me. i dont really know that mutch about wiring things up yet