my set up is a 2002 gmc 5.3l 4l65e 4wd installed into a rock bouncer Im using a Bp automotive standalone harness with a 4-speed transfer case 2.72 crawl box with np205 transfer case 1.98 I have the 4wd tables and have bent adjusting them to see if I can make it shift in at least. the 2.72 crawl box which is the factory transfer case ratio. The vss sensor is in the trail shaft using Behemoth drive train output vss kit with 40 teeth relucter. I have ground the checked pin 16 gray/black wire it not working any help would be appreciated Tune 2.hpt