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
$11.49 - $40.95
$1.84 - $163.99
Adapter 4-Pole to 7-Pole and 4-Pole
Our Price: $27.95
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
Our Price: $26.95
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.
Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector
Our Price: $17.49
Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way
Our Price: $23.49
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.
Pollak Trailer Connector Adapter - Vehicle End - 7-Pole Round to 7-Way Blade
Our Price: $23.19
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.
Hopkins Endurance Flex-Coil Trailer Connector Adapter w/ Nite-Glow - 7-Way to 6-Pole - 8' Long
Our Price: $36.95
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.
Curt Universal Installation Kit for Trailer Brake Controller - 7-Way RV - 10 Gauge
Our Price: $54.95
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.
Adapter 7 Pole to 4 Pole with Tester and Cover
Our Price: $7.89
Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter
Our Price: $13.69
Trailer wiring adapter changes the 4 pole flat on your vehicle into a 5 pole flat.
Pollak 7 Pole to 4 Way Connector Adapter
Our Price: $7.69
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.
Adapter 7 Pole to 5 Pole Flat - Molded
Our Price: $10.19
Pollak Trailer Connector Adapter - 7-Blade Plug to 7-Pole Round Pin - Nylon
Our Price: $25.69
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 6-Pole to 7-Pole Trailer Wiring Adapter
Our Price: $20.59
Adapter 4 Way Flat to 6 Way Square for Jayco
Our Price: $29.95
4-Way Flat to 6-Pole Square RV Adapter for Jayco RV Only
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.
Adapter 4-Pole to 5-Pole Trailer Wiring Adapter - Shorter
Our Price: $8.79
TorkLift Wiring Harness Extension for 21" SuperTruss Hitch Extender - 7-Way RV
Our Price: $76.99
Designed for use with your 21" 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 24" to clear your bed-mounted camper.
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.
Pilot Plug-and-Go Trailer Wiring Extender - 5-Pole Coiled Loop - 3' Long
Our Price: $22.49
This plug-and-go trailer wiring extender gives you extra length to reach from your trailer to your tow vehicle. The long, durable cord eliminates the usual unprotected, dangling wires.
Hopkins Endurance Quick-Install Trailer Connector Adapter - 4-Way Flat to 7-Blade
Our Price: $25.95
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.
Hopkins Endurance, Flex-Coil Trailer Connector Adapter - 7-Way to 5-Way or 4-Way Flat with Nite-Glow
Our Price: $28.95
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.
MaxxTow Trailer Connector Adapter - 7-Way RV to 4-Way Flat - 36" Cord
Our Price: $14.59
This adapter lets you span 3' to connect your 7-way, RV-style, vehicle-end connector to the 4-way flat connector on your trailer. Coiled cord ensures that wires won't drag on the ground. Molded construction is durable and corrosion resistant.
48" Long 4-Pole Loop with Cover
Hopkins Trailer Connector Adapter - 7-Way RV Style Blade Plug to 7-Pole Round Pin
Our Price: $24.95
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.
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