Buy Towbar Wiring Kits & View Towbar Wiring Diagrams Online We sell towbar wiring kits for any make and model of vehicle. You can also view our free towbar wiring diagrams and fitting instructions. Welcome to Just-Tow - The Towing & Leisure Shop. My Account Renault Laguna Towbars. Renault Mascott Towbars. Renault Master Towbars. Renault Maxity Towbars. How to fit a Tow Bar - Part 1 Fitting - YouTube Dec 22, 2012I bought a tow bar or tow hitch over the internet for my renault megane, and fitted it myself. If you follow the instructions it is an easy job and requires just basic tools.