Amazon.com: Hopkins Towing Solutions 48205 4 Wire Flat Connector Set with Splice Connectors : Automotive
Uxcell IDC Rainbow Wire Flat Cable FC-10 to DB9 Male Connector 0.1'' Pitch 7.9inch Long Ribbon Multicolored - Walmart.com
Hopkins 12-Inch 2-Flat Trailer Electrical Connector for RVs - Corrosion Resistant Terminals, 12-Volt Accessories in the Trailer Parts & Accessories department at Lowes.com