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: $23.59
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.
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.
Adapter 7 Pole to 4 Pole with Tester and Cover
Our Price: $7.89
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.
Hopkins Endurance Multi-Tow 4-Way Flat to 7-Way RV Trailer Adapter w/ 4-Way Vehicle End Plug
Our Price: $40.95
Adapt a 4-way flat to a 7-way RV-style socket while still retaining use of the 4-way. Or simply replace a damaged 7-way connector. Plug into tow package for 7-way, or plug into existing 4-way and hardwire into vehicle to get additional functions.
Adapter 7 Pole to 5 Pole Flat - Molded
Our Price: $10.19
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.
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.
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.
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
Adapter 6-Pole to 7-Pole Trailer Wiring Adapter
Our Price: $20.59
Pollak Trailer Connector Adapter - 7-Blade Plug to 7-Pole Round Pin - Nylon
Our Price: $25.59
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.
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.
MaxxTow Trailer Connector Adapter - 7-Way RV to 4-Way Flat - 36" Cord
Our Price: $14.69
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.
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.
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.
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.
Adapter 4-Pole to 5-Pole Trailer Wiring Adapter - Shorter
Our Price: $8.79
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.
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.
Trailer Connector Adapter w/ Lamp-Out Sensor Bypass - 7-Way RV to 7-Way RV - Vehicle End
Our Price: $18.49
Designed for use with newer European automobiles that have lamp-out sensors, this adapter ensures that your trailer with LED lights does not trigger any warnings or hyperflashing when hooked up to your vehicle's 7-way, blade-style connector.
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