Cut out the existing faceplates (that have the lighter and seat belt light). This will sound dumb but you cut them out to reuse the holes for the lighter and seat belt light.

Once you’ve cut up the existing faceplates, tape the cutout squares over the desired location on shifter plate, mark them and cut the square hole that you’ll mount the Lighter and seatbelt light into.

JB weld them into place, body filler, sanding and filler primer.

Easy