When programing, vehicle starts as soon as key is turned to ON position

Question

For a 2007 Dodge 2500 Diesel.  Had system installed and working correctly, but after a few starts found that I could no longer manually start the truck with the key.  Reprogrammed unit, and it worked again for a few more starts, then blew the 2 amp ingition fuse.  Replaced the fuse, pulled wiring and checked to ensure all connections were good.  Reinstalled.  Now, when I try and program the EVO the truck starts as soon as I turn the ingition to the On position with the key.  I can turn it off and complete programing by pressing the lock button, but if I try to remote start it it blows the fuse again.