wiring harness

What do you guys think? I bought a 19,000 mile salvaged 2019 Raptor with all the options. Virtually everything on the truck has been fixed except the electrical problem. The wiring harness inside the cab behind the rear seat had been cut when original owner "removed" the rear amplifier and now...

Hi, bought a 2020 gen 2 with rigid fog lights already installed. Was looking the truck over and found this end of a harness. I cant tell what it is for? It is just below the camera and has an inch or so of slack.