Online retailers:
* Amazon: https://www.amazon.com/Trailer-Wiring/b?node=19901991
* eBay: https://www.ebay.com/b/Trailer-Wiring-Harnesses/180139/bn_7024281816
* etrailer: https://www.etrailer.com/Accessories-and-Parts/Tow-Ready/30779.html
* Camping World: https://www.campingworld.com/trailer-electrical-parts
Automotive stores:
* AutoZone: https://www.autozone.com/batteries-starting-and-charging/trailer-electrical
* Advance Auto Parts: https://shop.advanceautoparts.com/p/trailer-electrical-connector-set-4-flat-18-inches/2090705-P?searchTerm=trailer%20electrical
* O’Reilly Auto Parts: https://www.oreillyauto.com/shop/b/trailer-towing/electrical
* NAPA Auto Parts: https://www.napaonline.com/en/p/CHTW3870
Trailer electrical manufacturers:
* Tow-Ready: https://www.towready.com/catalog/wiring-connect/
* Hopkins Manufacturing: https://www.hopkinsmfg.com/trailer-wiring/
* Curt Manufacturing: https://www.curtmfg.com/electrical/trailer-wiring
* Tekonsha: https://www.tekonsha.com/wiring
Tips for choosing electrics for a trailer:
* Determine the connector type that matches your trailer and vehicle.
*Choose a kit with enough wire length to conveniently connect the trailer.
* Consider the quality of materials and the reputation of the manufacturer.
*Follow manufacturer’s installation instructions to ensure a safe and reliable connection.