security system

So, I have finally finished swapping in my 2007 GT500 engine into my 2008 v6 shell. Upon putting the key in I had a handful of error codes, a couple were dealing with the PATS system. The red security light on the dash was blinking quickly. I cannot start the vehicle, the car wouldn't even...

Hey guys, I would appreciate your help on this one. I have a 1994 mustang almost acceptably put back together. When I bought it there was no key fab with it. I finally got around to buying a fab for it off ebay and tried to reprogram it. I've tried every freaking way they recommend on the...