Today on your 2014 Audi Q7 we're gonna be installing Tekonsha's heavy duty ModuLite vehicle wiring harness. To help us complete that installation, we'll be using Tekonsha's ModuLite installation wiring kit. This wiring harness is gonna provide you with all the necessary lighting that you'll need on your trailer to be DOT compliant in all states. This includes your left turn signal, right turn… see more >