Hi there, Audi owners. Then your 2012 Audi A5, we're gonna be taking a look at and showing you how to install CURT's universal splice wiring harness. And this is what our wiring looks like when it's installed on our Audi. You're not gonna see anything here on the outside 'cause it's designed to stay inside the vehicle, inside the trunk here at the back. And this protects your wiring from corrosion… see more >