Wiring Adapter Fitguide
Need help to find the correct wiring adapter for your car, truck, or trailer?
Use the Hitch Hunter ™ Wiring Adapter Fitguide to easily find the adapter you need.
Filter by Type of Wiring
$11.09 - $38.95
$1.84 - $163.99
Adapter 4-Pole to 7-Pole and 4-Pole
Adapter converts from 4 pole wiring on vehicle to 7-pole round plug and 4-pole flat. Additional wire leads for brake, power and accessory.
Adapter 4 Pole to 7 Pole and 4 Pole w/Test Lamps
This multi-function, vehicle-end connector converts any 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet.
Pollak Trailer Connector Adapter - Vehicle End - 7-Pole Round to 7-Way Blade
This adapter plugs into your vehicle's 7-way, round-pin receptacle to adapt it for use with a trailer-end, 7-way, RV-style plug. The 7-way flat receptacle includes a hinged cover to keep dirt and moisture out of the connection.
Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector
Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way
Heavy-duty trailer adapter features a unique Quick-Change wiring plug that lets you switch between 6-way wiring codes quickly and easily. Outlet for 4-way and 5-way plugs is also built in. Terminals are covered with easy-open, weatherproof lids.
Adapter 6-Pole to 7-Pole Trailer Wiring Adapter
Adapter 7 Pole to 4 Pole with Tester and Cover
TorkLift Wiring Harness Extension for 48" SuperTruss Hitch Extender - 7-Way RV
Designed for use with your 48" long SuperHitch SuperTruss receiver extension, one end of this no-splice wiring harness plugs into your truck's 7-way blade trailer connector. The other end runs back 57" to clear your bed-mounted camper.
Pollak 7 Pole to 4 Way Connector Adapter
Quickly and easily convert a 7-pole, RV-style connector to a 4-way, flat connector with this RV connector adapter. Adapter has a non-corrosive nylon shell.
Curt Universal Installation Kit for Trailer Brake Controller - 7-Way RV - 10 Gauge
This universal wiring kit lets you install an electric brake controller (sold separately) in your vehicle and a 7-way connector for your trailer lights at the same time. Plugs into the existing 4-way on your vehicle.
Mighty Cord Trailer Connector Adapter - 4-Way Flat to 7-Way RV Style - 12" Harness
Convert your vehicle's 4-way flat trailer connector to a 7-way RV-style connector. Plug the 4-pole connector into your vehicle and connect the wire leads to get 12V power, electric brake function, and auxiliary or reverse function.
Hopkins Endurance, Flex-Coil Trailer Connector Adapter - 7-Way to 5-Way or 4-Way Flat with Nite-Glow
This heavy-duty, coiled cable adapter is compatible with a 7-way RV blade trailer socket on the vehicle and adapts it to work with a 4-way flat or 5-way flat connector on the trailer.
TorkLift Wiring Extension for 42" or 48" SuperTruss - 7-Way Camper and Trailer Sockets
Designed for use with a 42" or 48" long SuperTruss hitch extension, this wiring harness plugs into your truck's 7-way trailer connector and lets you run (1) 7-way plug up for your camper's wiring and 1 back for your trailer's.
Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter
Trailer wiring adapter changes the 4 pole flat on your vehicle into a 5 pole flat.
Adapter 7 Pole to 5 Pole Flat - Molded
Hopkins Endurance Flex-Coil Trailer Connector Adapter w/ Nite-Glow - 7-Pole to 4-Pole - 8' Long
This adapter with coiled cord lets you span 8' to connect your 7-way, RV-style, vehicle-end connector to a 4-way round connector on your towed vehicle. The Nite-Glow function lets you find your electrical connections in the dark.
Wesbar Coiled Adapter - 7-Way RV to 4-Way or 5-Way flat - 8' Long
This adapter with coiled cord stretches 8' so you can connect your 7-way, RV-style, vehicle-end connector to a 4-way or 5-way flat connector on your towed vehicle or trailer.
Hopkins Trailer Connector Adapter - 7-Way RV Style Blade Plug to 7-Pole Round Pin
This adapter plugs into your 7-way, blade-style, vehicle-end connector to convert it for use with a 7-way, round-pin-style, trailer-end connector.
Adapter 7-Pole to 6-Pole - Universal
Hopkins Heavy-Duty Trailer Coiled Wire Adapter for 7-Way to 4-Wire Flat
This heavy-duty, coiled cable adapter is compatible with a 7-way RV blade trailer socket on the vehicle and adapts it to work with a 4-wire flat connector on the trailer.
Hopkins Endurance Flex-Coil Trailer Connector Adapter w/ Nite-Glow - 7-Way to 6-Pole - 8' Long
This adapter with coiled cord lets you span 8' to connect your 7-way, RV-style, vehicle-end connector to a 6-way round connector on your towed vehicle. The Nite-Glow function lets you find your electrical connections in the dark.
Hopkins Trailer Connector Adapter - 7-Pole Round Pin to 6-Pole
This adapter plugs quickly and easily into your 7-way, round-pin, vehicle-end connector to convert it for use with a 6-way round, trailer-end connector. A built-in cover protects the terminals from dust and grime.
Hopkins Heavy-Duty Trailer Coiled Wire Adapter 7-Way to 5-Way Flat with Nite-Glow
This heavy-duty, coiled cable adapter is compatible with 7 RV blade to 5-wire flat connectors. Trailer connectors on adapter light-up to aid with the hook-up.
Hopkins Endurance Quick-Install Trailer Connector Adapter - 4-Way Flat to 7-Blade
This kit converts your vehicle's 4-way flat trailer connector into a Quick-Install 7-way, RV-style connector. Harness plugs into your existing 4-way and hardwires for other pins on 7-way. Round plug on harness plugs into the back of the 7-way.
Contact and Help
What our customers are saying:
Received already. Yeow! Perfect fit. Thanks for getting the kit to me so quickly.