The wires are already there for the door sills. I've read multiple times they are easily accessible when you pull up the carpet near the doors. Look at the install directions for a pair of the lighted ones on AM and see what im talking about.
An yes others have modded their own, in both of the ways you describe. I even think there is a guy on the forum that does custom ones.
An yes others have modded their own, in both of the ways you describe. I even think there is a guy on the forum that does custom ones.