I did the maplight mod so I can have my maplights go on with open doors. I just did the JA mod (Toyota 4Runner Maplight Mod) but I ran the wire to the dome light. You need to use the middle wire in the ribbon. I just used an IDC (insulation displacement connection) connector. Shave the wire and use the connector. I would suggest using a metal rod to snake the cord down otherwise it's a little difficult to move the wire through all the insulation. Other than that it's exactly the same as JA's writeup. So props to him.