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I Want to Connect a 5 Pin Vehicle Connector to a 4 Pin Trailer Connector No Brakes on Trailer | etrailer.com
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Innovative Products of America IPA 7866 4 & 5 Pin Vehicle Trailer Harness Tester
Amazon.com: Oyviny 5-Way Flat Trailer Wiring Harness Female Plug Connector with 31 inch Wire Lead Vehicle Side 5 Pin Plug Extension Cable with Brass Terminals for US Standard Trailer : Automotive
Trailer Light Adapter 7-Pin Round to 4-Pin 5-Pin Flat Plug for RV - Walmart.com