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

Retail: $46.81
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
  • Trailer Connectors
  • Trailer End Connector
  • 5 Flat
  • 31 Feet and Longer
  • Optronics

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

Retail: $43.03
Our Price: $22.62
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
  • Trailer Connectors
  • Trailer End Connector
  • 5 Flat
  • 21 - 30 Feet Long
  • Optronics

30 ft. Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire

Our Price: $18.08
In Stock
30' Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire This is a 30' split wishbone 4-way trailer wiring harness with four conductors and a 30" ground wire.
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • 21 - 30 Feet Long
  • Optronics

4-Way Wishbone Trailer Wiring Harness with 42" Ground Wire - 40' Long

Retail: $39.87
Our Price: $37.38
In Stock
This wiring harness provides a simple, efficient method for rewiring your trailer with a 4-pole flat trailer-end connector. The wishbone-style harness has an extra tail light wire that makes it ...
Features: Provides simple, efficient method for rewiring your trailer with a 4-pole flat trailer-end connector Wishbone design - Y-harness contains an additional brown tail light wire Left-side tail
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • 31 Feet and Longer
  • Optronics

25 ft. Wishbone 4-Way Trailer Wiring Harness with 42" Ground Wire

Our Price: $15.85
25' Wishbone 4-Way Trailer Wiring Harness with 42" Ground Wire This is a 25' split wishbone 4-way trailer wiring harness with four conductors and a 42" ground wire. Manufacturer
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • 21 - 30 Feet Long
  • Optronics

35 ft. Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire

Our Price: $19.66
In Stock
35' Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire This is a 35' split wishbone 4-way trailer wiring harness with four conductors and a 30" ground wire. Manufacturer
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • 31 Feet and Longer
  • Optronics

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

15

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589

Installations

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Customers Helped

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Curt Vehicle Wiring Harness with 5-Pole Flat Trailer Connector - 60" Wire Lead

Retail: $15.95
Our Price: $10.63
In Stock
Wire your vehicle to tow a trailer with surge brakes by installing this universal, splice-in kit. Includes 5-way flat connector, 60" of bonded wire and installation hardware. Designed for use ...
Features: 5-Way flat trailer connector at the back of your vehicle powers your trailer's signal lights Fifth pin provides connection to reverse lights to allow proper functioning of hydraulic
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Splice-In
  • No Converter
  • 5 Flat
  • CURT
  • No Tow Package

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

Retail: $278.16
Our Price: $168.19
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
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Splice-In
  • Powered Converter
  • 7 Round - Blade
  • Tekonsha
  • Universal Fit

Optronics Trailer Light Kit for Trailers over 80" Wide - Submersible - 25' Wiring Harness

Retail: $68.44
Our Price: $44.03
In Stock
This incandescent trailer light kit comes with everything needed to properly light your trailer. 2 Tail lights, 2 amber clearance lights, 2 amber reflectors, license plate bracket, 25' wiring ...
trailer or attach with adhesive backing 25' Wiring harness with 4-pole connector DOT approved PC rated Specs: Application: trailers over 80" wide Tail light dimensions: 8-1/16" long x
  • Tail Lights
  • Side Reflector
  • Turn
  • Rear Clearance
  • License Plate
  • Stop
  • Rear Reflector
  • Side Marker
  • Tail
  • 8L x 3W Inch
  • Rectangle
  • Submersible Lights
  • Optronics
  • Amber
  • Red
  • Surface Mount

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

Our Price: $14.07
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
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • 0 - 5 Feet Long
  • Wesbar

Hopkins Wiring Harness with 5-Pole Flat Trailer Connector - Trailer End - 18" Long

Our Price: $17.44
In Stock
Use this universal, splice-in wiring harness to connect your trailer to your tow vehicle. Provides reverse function to release surge brakes. Corrosion-resistant terminals are long-lasting. with marine-type trailers equipped with surge brakes Simple installation Hardwire to existing trailer wiring Corrosion-resistant terminals are long-lasting Specs: Harness length: 18" Wiring
  • Trailer Connectors
  • Trailer End Connector
  • 5 Flat
  • 0 - 5 Feet Long
  • Hopkins

Hopkins Wiring Harness with 4-Pole Flat Trailer Connector - Trailer End - 4' Long

Our Price: $6.02
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. Corrosion-resistant terminals are long-lasting ...
compliant Specs: Harness length: 4' Wiring configuration: White: ground wire Yellow: left turn/brake light Green: right turn/brake light Brown: tail lights 90-Day limited warranty
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • 0 - 5 Feet Long
  • Hopkins

Hopkins Wiring Harness with 4-Pole Flat Trailer Connector - Trailer End - 6' Long

Retail: $7.24
Our Price: $5.99
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. Corrosion-resistant terminals are long-lasting. trailer wiring Corrosion-resistant terminals are long-lasting Specs: Harness length: 6' Wiring configuration: White: ground wire Yellow: left turn/brake light Green: right turn/brake light Brown: tail
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • 6 - 10 Feet Long
  • Hopkins

Curt Wiring Harness with 4-Pole Flat Trailer Connector - Trailer End - 48" Long

Retail: $8.95
Our Price: $6.11
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. Designed for use with 2-wire electrical systems.Features: 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 Designed for use with 2-wire electrical
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Splice-In
  • No Converter
  • 4 Flat
  • CURT
  • No Tow Package

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

Retail: $111.95
Our Price: $78.06
In Stock
Easily add a 4-way trailer connector with this custom-fit harness. The T-connector plugs into existing wiring - no cutting needed. Powered converter protects vehicle circuits and ensures consistent ...
vehicle's wiring. This custom-fit T-connector snaps directly into your factory wiring harness, so you can get your trailer lights up and running without any cutting or splicing. Just plug it in, and
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Powered Converter
  • 4 Flat
  • CURT
  • Custom Fit

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

Retail: $134.46
Our Price: $104.99
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 ...
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 - wherein the brake and turn
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • Powered Converter
  • 4 Flat
  • CURT
  • Hidden
  • No Tow Package

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

Our Price: $144.47
In Stock
Easily add a 4-way trailer connector to your vehicle with this custom wiring harness. The T-One connector plugs into existing wiring for a simple setup. The ModuLite ensures reliable operation while ...
Installation, But Plan for Access The vehicles wiring harness is often behind a trim panel or under the cargo floor. Some vehicles may require removing interior panels or lifting carpeted sections to reach it
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • Powered Converter
  • 4 Flat
  • Tekonsha
  • Visible
  • No Tow Package

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

Retail: $142.95
Our Price: $91.34
In Stock
Easily add a 4-way trailer connector with this custom-fit harness. The T-connector plugs into existing wiring - no cutting needed. Powered converter protects vehicle circuits and ensures consistent ...
vehicle's wiring. This custom-fit T-connector snaps directly into your factory wiring harness, so you can get your trailer lights up and running without any cutting or splicing. Just plug it in, and
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • Powered Converter
  • 4 Flat
  • CURT
  • Hidden
  • No Tow Package

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

Retail: $52.95
Our Price: $41.15
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into existing wiring. Powered converter reduces strain on wiring system and is ...
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 - wherein the brake and turn
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • Powered Converter
  • 4 Flat
  • CURT
  • Hidden
  • No Tow Package

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

Retail: $106.95
Our Price: $69.37
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
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • Powered Converter
  • 4 Flat
  • CURT
  • Hidden
  • No Tow Package

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

Retail: $77.95
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
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • Powered Converter
  • 4 Flat
  • CURT
  • Hidden
  • No Tow Package

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

Retail: $112.03
Our Price: $86.05
In Stock
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. Powered ModuLite reduces strain on wiring ...
draws power directly from your car's battery and bypasses the electrical routes that are used by a basic wiring harness, there is virtually no draw on your tail light circuits.
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • Powered Converter
  • 4 Flat
  • Tekonsha
  • Visible
  • No Tow Package

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

Retail: $57.25
Our Price: $47.24
In Stock
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
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • Powered Converter
  • 4 Flat
  • Tekonsha
  • Hidden
  • No Tow Package

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

Retail: $63.24
Our Price: $41.94
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 ...
lights: 6 amps per circuit Limited 1-year warranty Installation This custom-fit T-connector plugs into your vehicle's wiring harness, which is located in your rear cargo area. You will have to remove
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • Powered Converter
  • 4 Flat
  • CURT
  • Hidden
  • No Tow Package