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
Low Voltage Wire Connectors, TYUMEN 12pcs 2 Pin 2 Way Universal Compact Wire I Shape Terminals, No Wire-Stripping Required, Toolless Wire Connectors, Quick Splice Wire Wiring Connector for AWG 20-24: Amazon.com: Tools
IDEAL In-Sure Push-In Wire Connector 2-Port Red (10 per Bag, Standard Package is 6 Bags) 30-1332S - The Home Depot