Jeff Joergensen

I Got a 2022 Silverado 3500 Upfitted with a service body For a company vehicle And In the truck Came the factory backup camera Along with wiring harness I was able to find where plugs in underneath the bed But even after plugging it in nothing comes up on the display when I put it in reverse, Can anyone please tell me why it's not working or if there's a component that I'm missing It's so frustrating Hooking up to trailers multiple times A-day, not having a backup camera

So I bought a 2022 Chevy Silverado 3500 with a service body. So when the dealership gets the truck it comes with a regular bed body and they send it Out to have the service body put onSo the factory backup camera came with the truck uninstalledNow I can find the wiring harness under the truck towards the rear end where the backup camera plugs intoBut even after I plug it in and put The truck in reverse nothing shows up on the screen. Does anybody have any insight Or any useful information so I can get this thing hooked up please