Originally Posted by 01 gt f150
ROTFLMAO.... Nice one Toyz. Check Pats system. It kills ignition. Its brains are in the instrument cluster. If that was changed then the keys need to be programed to the new cluster.
The cluster has not been changed, I do have both keys should I maybe try to get them reprogrammed. I saw on the web that the 1999 f150 used the pats II system.