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Result: 7 wire to 4 wire adapter

7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End

Retail: $59.57
Our Price: $39.81
In Stock
This 7- and 4-pole trailer connector eliminates the need for an adapter and allows you to tow a trailer with either a 7- or 4-pole plug. Socket connects to your vehicle's OEM wiring system and ...
between mounting holes (center to center): 2-3/8" 1-Year limited warranty Note: Only one connector - a 4-way or a 7-way - can be used at a time because the covers on this socket will not open far
  • 4 Flat
  • 7 Blade
  • No Tow Package
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • No Converter

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way and 4-Pole Flat Connectors

Retail: $58.57
Our Price: $34.94
In Stock
Quickly and easily install a 7-way and a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package wiring harness - no cutting, splicing or ...
Features: Provides both a 7-way RV-style and a 4-pole flat trailer connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package
  • 4 Flat
  • 7 Blade
  • Factory Tow Package
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • CURT
  • No Converter

Adapter 4-Pole to 7-Pole and 4-Pole

Our Price: $58.73
In Stock
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.Features: Adapter converts from 4-pole wiring on your vehicle to 7-pole round plug and 4-pole flat wiring for trailer side Adds additional wire leads for brakes, power, and accessory wiring Wire
  • 7 Blade to 4 Flat
  • Universal Fit
  • Wiring Adapters
  • Hopkins

Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires

Retail: $139.92
Our Price: $112.31
In Stock
If your vehicle already has a 4-way flat, this kit includes everything you need to install an electric trailer brake controller and 7-way connector. If there's not an existing 4-way flat on your ...
vehicle's battery via the included 40-amp circuit breaker Pre-wired 7- and 4-way trailer connector mounts easily at rear of vehicle with included bracket Plugs into existing 4-way trailer connector on vehicle
  • Trailer Brake Controller
  • Installation Kits
  • etrailer

Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way

Our Price: $34.46
In Stock
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 ...
adapter not only changes your vehicle's connector from a 7-way RV blade to a 6-way, 5-way or 4-way, it also has a patented Quick-Change wiring plug to accommodate both 6-pole wiring codes. Just remove
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • 7 Blade to 6 Round
  • Universal Fit
  • Wiring Adapters
  • Hopkins

Hopkins Heavy-Duty Trailer Coiled Wire Adapter for 7-Way to 4-Wire Flat

Retail: $49.22
Our Price: $33.55
In Stock
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.Features: Heavy-duty, coiled cable Weatherproof jacketing Easy-grip connectors Tin-plated terminals for corrosion resistance Specs: 3' Cable when stretched 7-Way RV blade to 4-wire flat Flex Coil
  • 7 Blade to 4 Flat
  • Universal Fit
  • Wiring Adapters
  • Hopkins

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New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

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Kristin etrailer team member

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Pollak 7 Pole to 4 Way Connector Adapter

Retail: $20.64
Our Price: $9.45
In Stock
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.Features: 7-Pole RV connector to 4-way flat adapter Promotes quick and easy conversion of 7-pole, RV-style connector to 4-way flat connector Allows 1 vehicle to tow either campers or boat trailers
  • 7 Blade to 4 Flat
  • Universal Fit
  • Wiring Adapters
  • Pollak

Mighty Cord Trailer Connector Adapter - 4-Way Flat to 7-Way RV Style - 12" Long

Retail: $32.56
Our Price: $18.82
In Stock
Convert your vehicle's 4-way to a 7-way with this wiring adapter. Flat, 4-pole connector plugs into your vehicle and additional wire leads pull 12V power for accessories and send signals for the ...
Features: Adapter converts the 4-way flat trailer connector on your vehicle to a 7-way RV-style connector 4-Way flat trailer end plugs into the 4-way flat on your vehicle 7-Way RV-style connector
  • 4 Flat to 7 Blade
  • Universal Fit
  • Wiring Adapters
  • Mighty Cord

Buyers Products Trailer Connector Adapter - 4-Way to 7-Way RV and 4-Way Flat

Retail: $42.16
Our Price: $19.05
In Stock
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.Features: Adapts 4-way flat to both 7-way RV and 4-way flat 4-Way flat output connects tail lights, brake lights, and turn signals 7-Way connects tail, brake, reverse, turn signals, and auxiliary
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • Universal Fit
  • Wiring Adapters
  • Buyers Products

7-Way RV Upgrade Kit for Trailer Brake Controller Installation - 12 Gauge Wires

Retail: $119.66
Our Price: $90.49
In Stock
If you have only a 4-way flat on your vehicle and want to install a brake controller that pulls power from a 7-way trailer connector instead of wiring directly into your vehicle, this kit will adapt ...
(3430001), and Curt Echo (C51180) trailer brake controllers Pre-wired 7- and 4-way trailer connector mounts easily at rear of vehicle with included bracket Plugs into existing 4-way trailer connector on
  • Trailer Brake Controller
  • Installation Kits
  • etrailer

7-Pole and 4-Pole Trailer Connector Sockets w/ Mounting Bracket and Wiring - Vehicle End

Our Price: $81.39
In Stock
Tow a trailer with either a 7-way or 4-way plug with this dual vehicle-end connector. Included pigtail harness hardwires into your vehicle and the connector end mates with the 7-pole socket to form a ...
Features: Dual connector lets you hook up to a trailer with either a 7-pole, RV-style plug or a 4-way flat plug Pigtail harness hardwires into your vehicle and connects to 7-way socket Includes
  • 4 Flat
  • 7 Blade
  • No Tow Package
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • No Converter

7-Way Round RV Style Trailer Connector - Trailer Side

Retail: $14.23
Our Price: $13.07
In Stock
7-Way round plug lets you connect your trailer to the 7-way round blade connector of your tow vehicle. Interlock system keeps connections in place. Over-sized finger grips for secure disconnections ...
Features: 7-Way round plug lets you connect your trailer to the 7-way round blade connector of a tow vehicle Interlock system locks in place to keep connections secure Over-sized finger tabs allow
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • Optronics

Curt Trailer Connector Adapter - 4-Way to 7-Way RV and 4-Way Flat

Retail: $55.05
Our Price: $33.94
In Stock
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.Features: Adapts 4-way flat to both 7-way RV and 4-way flat 4-Way flat output connects tail lights, brake lights, and turn signals 7-Way connects tail, brake, reverse, turn signals, and auxiliary
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • Universal Fit
  • Wiring Adapters
  • CURT

Curt Replacement OEM USCAR Trailer Connector - Dual Connection - 7-Way RV Style and 4-Way Flat

Retail: $47.95
Our Price: $37.86
In Stock
Replace your USCAR-equipped vehicle''s OEM trailer connector with this dual-output connector. Features 7-way outlet and 4-pole flat outlet. Plugs into USCAR socket.Features: Replaces OEM connector to provide 4-way and 7-way trailer wiring connections Fits USCAR-equipped vehicles with factory tow plugs only 4-Way flat output connects tail lights, brake lights
  • 7 Blade
  • 4 Flat
  • Universal Fit
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT

7-Way to 4-Way/5-Way Trailer Adapter for Vehicles with Lamp-Out Sensors Towing Trailers with LEDs

Retail: $43.37
Our Price: $27.02
In Stock
Curt 7-way connector to 4-way or 5-way flat connector is designed for use on vehicles with Trailer Lamp-Out sensors when towing a trailer equipped with LED lights.Features: 7-Way RV style adapter to 4-pole and 5-pole flat trailer connectors Designed for use on vehicles with Trailer Lamp-Out sensors - such as Audi, Mercedes-Benz, Porsche, and Volkswagen
  • 7 Blade to 5 Flat
  • 7 Blade to 4 Flat
  • Universal Fit
  • Wiring Adapters
  • CURT

7-Pole Blade to 5-Pole Flat Connector Wired Trailer Adapter - Coiled Cable - 94-1/2" Long

Retail: $76.48
Our Price: $57.33
In Stock
Trailer adapter converts a tow vehicle's 7-pole wiring connection to a 5-pole flat pin connection for towing trailers with hydraulic brakes. Coiled cord stretches and contracts for extra ...
Features: Trailer adapter converts a tow vehicle's 7-pole wiring connection to a 5-pole flat pin connection for towing a trailer Allows 1 vehicle to tow a camper or boat trailer with hydraulic
  • 7 Blade to 5 Flat
  • Universal Fit
  • Wiring Adapters
  • Optronics

Curt Trailer Connector Adapter - 7-Way RV Style to 4-Way Flat - 96" Cord

Retail: $69.95
Our Price: $49.08
In Stock
This adapter lets you span 8' 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 ...
Features: Adapter converts your 7-pole, blade-style, vehicle-end connector for use with a 4-pole flat connector on your trailer Perfect for running power from your vehicle - with the 7-way RV plug -
  • 7 Blade
  • 4 Flat
  • Universal Fit
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • CURT
  • No Converter

Hopkins Endurance Multi-Tow 7-Way RV and 4-Way Flat Trailer Connector - Vehicle End

Retail: $39.07
Our Price: $24.16
Quickly and easily replace a damaged 7-way RV-style trailer connector, or add a new one to your vehicle with a factory tow package. This heavy-duty trailer connector socket has an outlet for 7 ...
Features: 7-Blade, RV-style trailer connector serves as a replacement for a damaged socket Can also be added to a vehicle with a factory tow package 4-Pole flat connector also built in Simple plug-in
  • 4 Flat
  • 7 Blade
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins

Pollak Trailer Connector Adapter - Vehicle End - 7-Pole Round to 7-Way Blade

Retail: $54.00
Our Price: $29.08
In Stock
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 ...
Features: Adapter converts your 7-way, round-pin vehicle-end connector for use with a 7-way, RV-style trailer-end connector Lets you tow a trailer with a 7-way blade plug Works with any RV-style
  • 7 Round to 7 Blade
  • Universal Fit
  • Wiring Adapters
  • Pollak

Hopkins Endurance Multi-Tow 4-Way Flat to 7-Way RV Trailer Adapter w/ 4-Way Vehicle End Plug

Retail: $56.18
Our Price: $43.33
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 ...
Features: 7-Blade, RV-style trailer connector lets you connect your trailer's wiring to your vehicle Either serves as a replacement for a damaged 7-way socket or an adapter that changes your
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • Universal Fit
  • Wiring Adapters
  • Hopkins

Curt Echo Wireless Brake Controller - 7-Way Plug-in w/ Bluetooth App - Up to 2 Axles - Proportional

Retail: $432.95
Our Price: $279.95
In Stock
Towing? There's an app for that. This brake controller connects to your phone with Bluetooth so all your settings are right in your hand. The unit plugs into your 7-way for a one-step ...
Built-in reverse polarity and short circuit protection Weather-resistant - Sealed against moisture Specs: Application: trailers with 1 to 2 axles (4 brake assemblies) Compatible with electric trailer brakes
  • Under-Dash
  • Smartphone App
  • Proportional Controller
  • Electric
  • Smartphone Display
  • CURT
  • Plug-In
  • Multiple Trailers

Curt Universal Installation Kit for Trailer Brake Controller - 7-Way RV - 10 Gauge

Retail: $124.95
Our Price: $81.62
In Stock
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 ...
circuit breaker Pre-wired 7-way trailer connector mounts easily at rear of vehicle with mounting bracket (sold separately) Plugs into existing 4-way trailer connector on vehicle 30-Amp and 40-amp circuit
  • 4 Flat to 7 Blade
  • Universal Fit
  • Wiring Adapters
  • CURT

Hopkins Endurance, Flex-Coil Trailer Connector Adapter - 7-Way to 5-Way or 4-Way Flat with Nite-Glow

Retail: $54.69
Our Price: $45.02
In Stock
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.: 3' Cable when stretched 7-Way RV blade to 5-wire flat connector 18 Gauge wire: stop/tail/turn 16 Gauge wire: ground/reverse 3-Year limited warranty Note: Works with a 4-way flat connector plug on your
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • Universal Fit
  • Wiring Adapters
  • Hopkins

Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Pole Plug

Retail: $107.69
Our Price: $89.05
Mount this 7-way, RV-style connector in your truck bed to simplify hookup of your 5th-wheel or gooseneck trailer. Harness plugs into existing wiring and retains use of factory 7-pole at the bumper ...
splicing required Plug T-connector into factory wiring and your vehicle's factory-installed 7-way connector Run 10' long wiring harness from rear bumper to truck bed Offers enhanced weatherproofing
  • 7 Blade
  • No Tow Package
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • Plug-In
  • Hopkins