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Result: 4 pin trailer harness

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

Retail: $59.57
Our Price: $36.50
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 ...
Features: 7- and 4-Pole trailer connector with mounting bracket Has high-impact, ABS plastic construction Stainless steel spring for easy cover operation Rubber gasket provides weather-resistant
  • 4 Flat
  • 7 Blade
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Hopkins
  • No Converter

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

Retail: $57.99
Our Price: $32.61
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 ...
harness, which is located behind the rear bumper, on the driver's side. Once installation is complete, the connectors will be stowed beneath your vehicle, near the trailer hitch. A mounting bracket is
  • 4 Flat
  • 7 Blade
  • Trailer Hitch Wiring
  • Factory Tow Package
  • Vehicle End Connector
  • CURT
  • Plug-In
  • No Converter

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
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Hopkins
  • No Converter

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

Our Price: $59.13
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
  • Wiring Adapters
  • Universal Fit
  • Hopkins

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

Retail: $55.05
Our Price: $41.09
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. power Dust covers keep connectors clean when not in use Split loom keeps wires contained and well protected Simple installation Wiring harness plugs into existing 4-way flat connector and hardwires to
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • Wiring Adapters
  • Universal Fit
  • CURT

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

Retail: $34.18
Our Price: $32.41
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 ...
Features: Trailer adapter changes your vehicle's 7-blade connector to a 6-pole 4-Pole and 5-pole flat connectors also built in Quick-Change plug on 6-pole terminal accommodates both 6-pole
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • 7 Blade to 6 Round
  • Wiring Adapters
  • Universal Fit
  • 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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Kenny etrailer team member
Kenny etrailer team member

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Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard

Retail: $52.29
Our Price: $46.90
In Stock
Replace your damaged 7-way, RV-style, trailer-end connector with this molded cable. Durable cable covering resists damage. Wiring codes are RV standard.Features: Pre-wired, 7-way, blade-style, trailer-end connector allows you to connect your trailer to your vehicle Easy-to-grip tabs allow for simple plug in and disconnect Flexible cable allows for
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • Hopkins

35 Ft 4-Way Trailer Wiring Harness - Wishbone Style - 42" Ground

Retail: $25.15
Our Price: $22.90
In Stock
4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.Features: 4-Way trailer harness connects to your tow vehicle to control trailer light functions Wishbone-style harness comes with 2 tail light wires split for simple wiring Allows you to run wires
  • 4 Flat
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • Optronics
  • Splice-In
  • No Converter

Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector

Retail: $130.95
Our Price: $70.68
In Stock
Install a 4-way flat on your vehicle with this splice-in harness. Powered converter connects directly to battery to reduce strain on wiring. Potted, SMT construction boosts water and vibration ...
Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole and 7-pole adapters (sold separately) Ensures
  • 4 Flat
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • CURT
  • Splice-In
  • Powered Converter

7-Way Molded Trailer Wire Connector, 4' Long

Retail: $60.39
Our Price: $40.14
In Stock
Trailer Connector RV Style 7-Way Blade with 4' lead Pre-wired 7-Way Trailer Connector Measures 4 feet long including connector Wire gauges: 14 Gauge - red, brown, green, and yellow 12 Gauge -
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • Hopkins

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $57.25
Our Price: $46.48
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required.Features: Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights Compatible with 5-pole, 6-pole and 7-pole adapters (sold separately) Connects
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Tekonsha
  • Plug-In
  • Powered Converter
  • Hidden

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

Retail: $107.69
Our Price: $83.62
In Stock
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 ...
installation Requires 2-1/8" hole in truck bed Specs: Harness length: 10' Wire gauges: Purple/green/yellow/brown: 16 Blue/red/white: 12 Distance between mounting holes center to center: 2-1/4
  • 7 Blade
  • Fifth Wheel and Gooseneck Wiring
  • No Tow Package
  • Vehicle End Connector
  • Hopkins
  • Plug-In

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

Retail: $47.95
Our Price: $34.38
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
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • CURT

Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter

Retail: $25.75
Our Price: $15.42
In Stock
Trailer wiring adapter changes the 4 pole flat on your vehicle into a 5 pole flat.Features: Length of harness: 20" Length of blue wire: 60" The blue wire gets spliced into the reverse light wire on the vehicle which is easily done with the included quick splice wire
  • 4 Flat to 5 Flat
  • Wiring Adapters
  • Universal Fit
  • Tow Ready

etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector

Our Price: $54.21
In Stock
This kit includes a junction box so you can quickly and easily connect the wires from the included trailer connector to your trailer's wiring.Features: Kit allows you to upgrade from a 4-way, 5-way, or 6-way connector to a 7-way connector Pre-wired, 7-way, blade-style, trailer-end connector lets you connect your trailer to your vehicle
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • etrailer

Hopkins Plug-In Simple Vehicle Wiring Harness for Factory Tow Package - 7-Way and 4-Flat Connectors

Our Price: $50.22
In Stock
Quickly and easily install a 4-way and 7-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into OEM tow package wiring harness - no cutting or splicing ...
Features: Provides both a 7-way RV-style and a 4-pole flat connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package Compatible with
  • 7 Blade
  • 4 Flat
  • Trailer Hitch Wiring
  • Factory Tow Package
  • Vehicle End Connector
  • Hopkins
  • Plug-In
  • No Converter
  • Visible

25 Ft 4-Way Trailer Wiring Harness - Wishbone Style - 25' Ground

Retail: $28.39
Our Price: $22.90
In Stock
4-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring.Features: 4-Way trailer harness connects to your tow vehicle to control trailer light functions Wishbone-style harness comes with 2 tail light wires split for simple wiring Allows you to run wires
  • 4 Flat
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • Optronics
  • Splice-In
  • No Converter

Curt 5th Wheel/Gooseneck Custom Wiring Harness w/ 7-Pole Connector - 7' Long

Retail: $120.95
Our Price: $86.95
In Stock
Mount this 7-way, RV-style connector in your truck bed for quick, simple hookup of your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with your existing factory wiring so that you can ...
Retains factory 7-pole trailer connector at rear of truck (if present) Plugs into factory wiring - no cutting or splicing 7' Long, insulated wiring harness reaches from rear bumper to truck bed Requires
  • 7 Blade
  • Fifth Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • CURT
  • Plug-In
  • Hidden

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $84.95
Our Price: $50.02
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. Connectors plug directly into existing wiring. Powered converter reduces strain on wiring system and is ...
quickly and easily - no cutting or splicing of wires Tow harness with 4-way connector plugs into connection point in rear cargo area Includes a tail light converter to ensure that your vehicle's wiring
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • CURT
  • Plug-In
  • Powered Converter
  • Hidden

40 Ft 5-Way Trailer Wiring Harness - Wishbone Style - 30" Ground - 5' Auxiliary Wire

Retail: $49.97
Our Price: $34.12
In Stock
5-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring. Auxiliary wire signals trailer ...
Features: 5-Way trailer harness connects to your tow vehicle to control trailer light functions Ideal for marine trailers with hydraulic or surge brakes Wishbone-style harness comes with 2 tail light
  • 5 Flat
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • Optronics
  • Splice-In
  • No Converter

Pollak 5th Wheel / Gooseneck T-Connector with 7-Pole - Ford, GM, Dodge, Nissan w/ Factory Plug - PK11893-11932

Our Price: $73.43
In Stock
This socket plugs into T-connector to provide a 7-pole trailer connector in the truck bed for use with fifth wheels. Connector plugs into OEM wiring harness to allow for a 7-pole connector in the ...
Features: 7-Pole, sealed socket, RV-style trailer connector with T-connector Plugs into OEM harness - no splicing Provides quick and easy installation of RV socket in truck bed High-impact nylon
  • 7 Blade
  • Fifth Wheel and Gooseneck Wiring
  • No Tow Package
  • Vehicle End Connector
  • Pollak
  • Plug-In

Pollak Heavy-Duty, 4-Pole, Round Pin Trailer Wiring Socket - Metal - Vehicle End

Retail: $24.22
Our Price: $11.53
In Stock
Establish a secure connection between your trailer and your towing vehicle with this 4-pole, round pin, wire-insertion style socket. Zinc die-cast socket has concealed terminals to provide easy ...
Features: Heavy-duty, metal, 4-pole socket connects trailer to towing vehicle Round brass pins Minimum voltage drop is ensured Dielectric (non-conducting) grease coating Protects against corrosion
  • 4 Round
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Pollak

Hopkins Endurance Easy-Pull Harness w/ 4-Pole Flat Connector - Trailer End - Jacketed - 48"

Retail: $22.07
Our Price: $13.53
In Stock
Easily disconnect this 4-way flat trailer-end plug from your vehicle without damaging the terminals. Large grip ring provides maximum leverage when disconnecting. Harness splices into your ...
Features: 4-Way flat trailer-end connector plugs into the 4-way flat on your vehicle Easy-to-pull ring makes 4-way easy to disconnect Ring handle makes it easy to pull connector straight back for
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • Hopkins

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

Retail: $64.99
Our Price: $45.52
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 an integrated backup alarm.Features: Connects to 4-way flat plug on your vehicle Requires additional wiring for use of brake, power and accessory leads Supplies 7-blade RV and 4-wire flat trailer connections Sounds alarm when
  • 4 Flat to 4 Flat
  • 4 Flat to 7 Blade
  • Wiring Adapters
  • Universal Fit
  • CURT