Today, in our 2017 Kia Sorento, we'll be having a look at and installing the Curt T connector vehicle wiring harness for factory tow package vehicles with a four pole flat trailer connector; part number C56151. Here's what a wiring looks like installed. This wiring harness gives us a four pole flat connector, which gives us the basic lighting functions that are required by law in order for us to… see more >