8 Pin Connector | etrailer This standard, RV-style 7-pole connector provides a secure connection between your trailer and tow vehicle. Traditional metal construction provides maximum resistance to weather and corrosion. Terminal reinforcer dams eliminate shorting out Prevent contact from spreading Center pin accepts up to 8-gauge wire Vinyl inserts keep out dirt and moisture Jumbo, welded pistol grip Promotes easy removal Amazon: 8 pin wiring connector BougeRV 7 Way Trailer Plug Weatherproof Trailer Wiring Harness 7 Pin Trailer Connector with Junction Box for RV Trailers, Campers, Caravans, Food Trucks (8 Feet Long) 4.6 out of 5 stars 122. $28 $ 28. 89. Get it as soon as Tue, Oct 1. FREE Shipping by Amazon.