Shane: Hi, I'm Shane with etrailer.com. Today we're going to be taking a look at, I'm going to walk you through the installation on the truck bed cargo camera for your 2018 Ram 3500.This kit is going to replace your third brake light, which is mounted on the cab of the truck. This is going to be your third brake light here, and another type of rear camera is you would use your factory… see more >