Amazon.com: WESTFALIA Automotive Adaptor 7-pin to 13-pin to Connect 7pin Socket on The Vehicle to 13pin Socket on The Trailer or Bike Carrier : Automotive
Trailer Connector/Adapter Harness 13 pin to 7 pin US — G-wagenaccessories.com
Trailer Light Converter for European Round 13-Pin Plug to US 7-Way Blade Adapter | eBay
Amazon.com: CARROFIX American RV Style 7-Way Connector to European 13-Pin Plug - US Vehicle 7-Way Blade to EU 13-Pin Round Trailer Light Converter : Automotive
Amazon.com: WESTFALIA Automotive Adaptor 7-pin to 13-pin to Connect 7pin Socket on The Vehicle to 13pin Socket on The Trailer or Bike Carrier : Automotive
13 pin 13P to 7 pin 7P adapter plug for trailers and caravans - Cablematic