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

Retail: $24.71
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 ...
how the tail lights on your vehicle operate. This converter is a circuit-protected, battery-powered unit that bypasses the electrical routes that are used by a basic wiring harness. As a result, there
  • 4 Flat
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • CURT
  • Splice-In
  • Powered Converter

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. easy positioning Molded cable sleeving protects wires Durable covering is insulated and corrosion resistant Simple installation Hardwire to existing trailer wiring Meets SAE standards Specs: Cable length
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • Hopkins

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

Retail: $59.57
Our Price: $42.53
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

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

Retail: $107.69
Our Price: $84.92
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 ...
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
  • 5th Wheel and Gooseneck Wiring
  • No Tow Package
  • Vehicle End Connector
  • Hopkins
  • Plug-In

7-Way Molded Trailer Wire Connector, 4' Long

Retail: $60.39
Our Price: $40.06
In Stock
Blue 10 Gauge - White and Black Wiring Code Molded Connector Function Usual Trailer Wire White Wire Ground White Wire Red Wire Left Turn and Brake Yellow Wire Brown Wire Right Turn and Brake Green Wire
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • Hopkins

New Arrivals — From Our Shop to You!

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

New Arrivals — From Our Shop to You!

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

Kristin
Kristin etrailer team member
Kristin etrailer team member

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Installations

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Customers Helped

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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

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

Retail: $28.39
Our Price: $23.92
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

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

Retail: $49.97
Our Price: $30.51
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

Universal Wiring Harness w/ ModuLite and Brake Controller Harness - 7-Way Trailer Connector

Retail: $286.67
Our Price: $173.85
In Stock
... circuits. Brake controller wiring harness included.) Splices into vehicle wiring Run body harness up to car battery Included ModuLite ensures that your vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid
  • 7 Blade
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • Tekonsha
  • Splice-In
  • Powered Converter

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

Our Price: $81.39
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

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

Retail: $115.95
Our Price: $76.02
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring. Powered converter reduces strain on wiring system and ...
, battery-powered unit that bypasses the electrical routes that are used by a basic wiring harness. As a result, there is virtually no draw on your tail light circuits. Because most trailers run on a two-wire system
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • CURT
  • Plug-In
  • Powered Converter
  • Hidden

Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional

Retail: $323.41
Our Price: $170.94
In Stock
The large buttons and colored LCD display on this proportional brake controller make it easy to see and easy to use. Store and customize your settings so you can easily swap out trailers and drivers ...
controller when you don't need it Replacement wiring harness (sold separately) and replacement bracket (TK5906 - sold separately) required to swap controller between vehicles Specs: Application: trailers
  • Under-Dash
  • Proportional Controller
  • Under-Dash Box
  • Electric
  • Electric over Hydraulic
  • Tekonsha
  • LCD Display
  • Splice-In
  • Multiple Trailers

5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole Plug - GM, Ford, Ram, Toyota - 9' Long

Retail: $167.25
Our Price: $123.04
In Stock
T-Connector works with fifth-wheel and gooseneck trailers and retains use of your vehicle's factory 7-way connector. It connects your factory 7-pole at the bumper to a new 7-pole in the truck bed ...
Features: Enables hassle-free hookup of 5th-wheel and gooseneck trailers using 7-way, RV-style connector 9' Long, insulated wiring harness easily reaches from rear bumper to truck bed Adapter
  • 7 Blade
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • Bargman
  • Plug-In

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

Our Price: $54.21
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

Adapter 4-Pole to 7-Pole and 4-Pole - 37185

Retail: $59.27
Our Price: $55.83
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

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

Retail: $57.25
Our Price: $43.53
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. circuit 1-Year limited warranty Installation This custom-fit T-One connector plugs into your vehicle's wiring harness, which is located in your rear cargo area, either behind the driver's-side trim
  • 4 Flat
  • Trailer Hitch Wiring
  • No Tow Package
  • Vehicle End Connector
  • Tekonsha
  • Plug-In
  • Powered Converter
  • Hidden

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

Retail: $43.03
Our Price: $16.61
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

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

Retail: $34.18
Our Price: $32.11
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 ...
trailer wiring codes - center-pin brake or center-pin hot Simply remove plug at base of connector, turn it around and plug it back in - no need to rewire Reinforced, easy-grip covers Open 180 degrees for
  • 7 Blade to 4 Flat
  • 7 Blade to 5 Flat
  • 7 Blade to 6 Round
  • Wiring Adapters
  • Universal Fit
  • Hopkins

Hopkins 7-Way Molded Trailer Wire Connector - 11' Long

Retail: $78.39
Our Price: $58.82
In Stock
This molded, 7-way, RV-style, trailer-end connector lets you replace a damaged wiring harness on your trailer.Features: 7-Way trailer-end connector lets you replace a damaged wiring harness on your trailer Pre-wired to ease installation Molded to protect wires from corrosion and abrasion Specs: Cable length
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • Hopkins

Wesbar Wishbone Wiring Harness with 4-Pole Flat Trailer Connector - Trailer End - 18" Long

Our Price: $15.14
In Stock
Wire your trailer with this universal, splice-in wiring harness so that you can connect the trailer's wiring to your vehicle's during towing. Wishbone design removes need for a jumper wire ...
Features: 4-Pole flat trailer-end connector plugs into the 4-way flat on your tow vehicle 2 Tail light wires of wishbone-style harness make wiring your trailer more efficient One tail light wire
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • Wesbar

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

Retail: $84.95
Our Price: $47.64
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

Wesbar 4-Way Flat Trailer Wiring Harness - 20' Long

Retail: $46.48
Our Price: $26.04
Wishbone-style harness features a 4-pole flat trailer-end connector. Ground wire is 3' long.Features: Provides simple, efficient method for rewiring your trailer with a 4-way flat trailer-end connector 2 Brown wires, one with the green wire and the other with the yellow, make up the
  • 4 Flat
  • Trailer Hitch Wiring
  • Universal Fit
  • Vehicle End Connector
  • Wesbar
  • 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
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • CURT
  • Plug-In
  • Hidden