Y-Blockhead, I know this is an old post, but it's applicable to my situation. I'm putting a C4 transmission in my 55 Tbird. I purchased a Ford C4 neutral safety-backup light switch, In case I want to add backup lights (wiring is already there). I want to install the Lokar C4/C6 floor-mount shifter, but Lokar says that their shifter will not work with the Ford NBUL switch. Lokar has a switch that will accommodate back-up lights, but it's over $200. As you know, the switch that comes with the Lokar shifter is only a neutral safety switch.
What did you have to do to be able to use the Ford NBUL switch with the Lokar shifter?
Thanks.