I used this twice to program the bypass remote start modules that I bought from Fortin.  It works just fine and is necessary if you want to use the Fortin bypass module.  Come with the two necessary connecting cords required to program for your car or truck.  

     No instructions, but really easy to use.  Just download the free computer software program.  Connect USB, flashlink, 4 wire harness, then bypass module.  You then click and customize the options you want or don't want.  Easy!  Instructions are available online if you need.