CURT 5-Way Flat Connector Plug & Socket with 72" Wires (Packaged) 58551 - The Home Depot
Amazon.com: Oyviny 5 Way Flat Trailer Wiring Harness Plug with 22 inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension for Trailer RV Boat Color-Coded Waterproof :
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CURT Custom Vehicle-Trailer Wiring Harness, 4-Way Flat Output, Select Mazda CX-5, Quick Electrical Wire T-Connector 56310 - The Home Depot