Not sure what type of overhead console light setup is in your 4runner, but on my 2000, with sunroof, there is a keyed power wire to lights in the overhead console. I wasn't worried about a hot wire without the key on since your'e not moving anyway without the key. Also no fear of killing the battery this way. Probe aroud with a test light under the overhead console. I then led the wire out a small hole in the front of it.