cobbtown cowman
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Just got my 2025 Sierra 3500HD Pro 4x4 long bed crew cab dually. It came with 5th wheel/gooseneck hitch option. I would like to add bed camera for hooking up to gooseneck trailer and dual cameras for the trailer. My question is "do the trucks come pre-wired (and cabled) for these options if the truck came off the assembly line without these options"? If not, is a wiring harness available to add these options?