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How to Wire up a 7 Pin Trailer Plug or Socket - KT Cables
Hopkins 4-Wire Flat Connector, Vehicle to Trailer Wiring Connector in the Trailer Parts & Accessories department at Lowes.com
ABN 1916 - 4 Way 4 Pin Plug 20 Gauge Trailer Light Wiring Harness Extension 10ft - Walmart.com
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