Trailer Wiring Harness Installation - 2007 Mercury Mariner Video

How to Install Trailer Wiring Harness on a 2007 Mercury Mariner

Today we are working on a 2007 Mercury Mariner; we are going to install a tow ready T-One Connector part number 118430. Our first step is going to be accessing the rear cargo door of the vehicle. We are going to remove the tail light assemblies, and there is two fasteners holding it on. Once you remove the two fastener screws, gently pull and pry the tail light assembly away from the vehicle as… see more >