Plug & Play USCAR 7 Pin to 4 Pin Trailer Wiring Harness Universal for LED Tailgate Light Bars, Pure Copper USCAR to 4 Flat Trailer Extension Wiring Adapter for Trailers, Trucks, Pickups

  • Note: Only compatible with vehicles with Factory Tow Package, Make sure your truck equips with USCAR 7 pin socket
  • Note: If your truck has rear parking assist or trailer detection system, when you use the 4-prong trailer extension for something such as a LED tailgate or light bar then the vehicle will detect them as a trailer and will disable the blind spot radar detection and backup assist
  • Multi-Function USCAR Wiring Harness: USCAR 4 Way Trailer Wiring Harness plugs into existing USCAR connector on your vehicle, provides a 4-way flat socket while retaining use of the existing OEM 7-way connector
  • Used for Tailgate Light Bar: USCAR 7 way to 4 way trailer wiring great for providing a 4-prong trailer connector to install a light bar under the tailgate, Plug and play straightforward installation, no need to cut wires
  • Standard 4 Way Connector: USCAR 7 pin tailgate light wiring harness ties your trailer's electrical system into the vehicle's Brake Light, Turn Signal Light and Taillights; 4-pin trailer wiring is widely used in most trailers, adding versatile towing options
  • Wide Application: This USCAR trailer T harness is designed to be a custom wiring option for a variety of vehicles, compatible with many vehicles with factory USCAR 7 way trailer tow wiring, for GMC, Dodge Ram, Ford, Toyota Tacoma/Tundra, Jeep etc
  • Durable Construction: 16AWG pure copper wire makes reliable connection, 41 inches length USCRA wiring harness was well protected by a black slit loom; All 7 way USCAR plugs and 4 way connector are made from durable black plastic for long-lasting use

Product description

1

USCAR 4 Way Trailer Wiring Harness

Replacement Vehicle-Side USCAR 4-Pin Trailer Wiring Harness adds a 4 way flat socket and retain use of OEM 7 way USCAR connector. It converts USCAR 7 way to standard 4 pin flat connector, can be used to install a tailgate LED lightbar, add a LED light strip to the back of your truck etc.

Key Features

uscar 7 way connector

USCAR 7 Pin Connector

Two 7 way USCAR connector. Female 7 pin connector place into the factory holder. Plug the factory 7 pin connector into the male 7 pin connector.

standard 4 way connector

Standard 4 Pin Connector

4-way trailer wiring is popular on a wide variety of trailers. Flat 4 pin connector is used to connect trailer taillights, brake lights and turn signals.

slit loom

Well Protected

Black slit loom keeps the USCAR trailer wiring harness contained and well protected. A dust cover keep the 4 pin connector socket clean when not in use.

plug and play

Plug and Play

No cutting or splicing of wires. Simply plug into tow vehicles with a clean factory appearance. Takes less than 5 minutes to install.

uscar 7 way trailer wiring harness


application

T-One connector for many vehicles with factory installed 7-way trailer harness, fits for GMC Sierra, Ford F Series , Ford E Series, Nissan Titan , Dodge Ram, Toyota Tacoma, Toyota Tundra, Chevy Silverado, Chevy Colorado etc.

  • Note: Vehicle must already be equipped with USCAR(factory installed tow package)
  • Note: If you are not sure whether this harness fits with your vehicle, please fell free to ask, thank you!
  • Package Included: 1 x USCAR 4 Way Trailer Wiring Harness

USCAR-Specific Trailer Wiring Harness

This USCAR wiring harness is designed for select vehicles with a standard USCAR socket, ensuring the easiest possible installation and the most reliable wiring connection.

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into 7-way OEM tow package wiring harness - no cutting, splicing or tapping required.

Installation:

  • Locate the vehicle's factory 7-way attached on the driers side near the hitch.
  • Separate the vehicles connector from the back side of the facory 7 way. Take care not to damage the locking tabs.
  • Insert the T-connector end between the separated connectors. Make sure the connectors are fully inserted with locking tabs in place.
  • Route the 4-flat to the center of the vehicle and secure in a safe out of the way location using the cable ties provided.