Some vehicles are known to require this smart bypass relay for the towbar electrics to work properly. If your vehicle requires this relay; for example with a canbus type electrical system; then you can damage the electrics in your car if you don't fit one. Relays come with instructions but are also available in advance by emailing us.
Check which towbar kits require a smart relay by visiting our shop and finding the towbar you need. The item "Universal 7 Way Smart Bypass Relay REL2" is in sale since Monday, June 5, 2017. This item is in the category "Vehicle Parts & Accessories\Car Parts & Accessories\Towing Parts & Accessories\A-Frames & Tow Poles". The seller is "onlinetowbarsuk" and is located in Warwickshire. This item can be shipped to United Kingdom.