www.etrailer.comVideos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information. If you are planning to tow a boat or trailer with your MDX you will need a wiring harness to power the trailers lights and turn signals. Luckily we have a custom made wiring harness just for the MDX. This harness provides a flat four pole plug for the trailer and quickly plugs into the waiting tow package port on the MDX. When you are not towing anything …