So here you can see the stock reverse light switch and an M18 Plug I got to block off the reverse light portion of my gearbox when I was moving it forward 2". Turns out the 3mm longer in length was causing me a real headache trying to get the car into reverse. It would move back a few feet then start grinding. Ahh!! I had no idea what to do so I contacted Bruce Tweedle who knows his stuff when it comes to gears and he had heard of a problem like this when someone forgot to install a washer on the reverse light switch.
You can see on the top of the plug I installed that there is some wear in that area. So I was confindent when making a new plug using the orginal plug that it would solve the problem. Turns out it did! I would have had no clue and probably tossed the gearbox. So I am pretty stoked that this problem was cured quite easily. Let this be a heads up for anyone moving there gearbox forward that this plug can be no longer the OE one.