Thanks for the info about the weather stripping. It seems to be seating but I will have a closer look. If I leave it running I can switch the bed light on and off but once I turn the truck off the light comes on and stays on. The trick now is figuring out if it is just from controller install or...
Thanks for the info about the pin. I have the supercrew model. By bed lights (maybe cargo lights was a better term) I mean the white lights surrounding the above bed brake light. When I turn the truck off they just stay on.
Here is the install and the front page of installation manual. I found the part number on Ford parts and told the parts guy exactly what I wanted using the part number. That seemed to help. I then had my ford service department install it because I wasn't sure of all the electrics/safety...