USCAR 7 Pin to 4 Pin Trailer Harness Nilight
USCAR 7 Pin to 4 Pin Trailer Harness Nilight
USCAR 7 Pin to 4 Pin Trailer Harness Nilight
USCAR 7 Pin to 4 Pin Trailer Harness Nilight
USCAR 7 Pin to 4 Pin Trailer Harness Nilight
USCAR 7 Pin to 4 Pin Trailer Harness Nilight
USCAR 7 Pin to 4 Pin Trailer Harness Nilight

USCAR 7 Pin to 4 Pin Trailer Harness

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2024 Product Guide

About this item

  • USCAR Connector: This trailer wiring harness is designed for use with a factory tow package that has a 7-way connector, and equips with a standard 4-pin trailer wiring connector for plugging in and towing a trailer
  • Standard 4 Way Connector: 4-way trailer wiring adding versatile towing options. 4-way flat wiring socket connects tail lights, brake lights and turn signals.
  • Reliable Connection: 41 inches long USCAR wiring harness was well protected by a black slit loom. This custom fit vehicle wiring provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's taillights, brake lights and turn signals, ensuring the easiest possible installation
  • Durable Construction: The 2 WAY adaptability harness is outsourcing with durable black molded rubber and ABS plastic, 18-gauge heavy duty wires and premium copper terminals. Tight-fitting waterproof rubber cap for 4-pole flat trailer connector shielding sockets from rain, dirt, or dust.
  • Wide Application: Come with 1 x Trailer Wiring Harness , 1 x User Manual. Nilight USCAR trailer harness is designed to be a custom wiring option for a variety of vehicles, fits for many vehicles with a 7-pin connector / standard USCAR socket.

USCAR 7 Pin to 4 Pin Trailer Harness

USCAR 7 Pin to 4 Pin Trailer Harness

It converts USCAR 7 way to standard 4 pin flat connector, can be used to install a tailgate LED light

Design to Fit For Trailer LED Lights, Tailgate Light Bars and Other trailer light connection. Directly plug into the back of your factory 7-way connector so you can retain the 7-way and also pull a trailer that has a 4-pole flat.

  • Vehicle must already be equipped with USCAR
  • Plug and Play
  • Weatherproof and corrosion resistance
  • 2 Year Warranty by Nilight

Package Include:

  • 1 x USCAR 4 Way Trailer Wiring Harness
  • 1 x User Manual


USCAR 7 Pin to 4 Pin Trailer Harness

USCAR 7 Pin Connector

2 7-way USCAR connectors.

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

USCAR 7 Pin to 4 Pin Trailer Harness

Standard 4 Pin Connector

Flat 4 pin connector is used to connect trailer taillights, brake lights and turn signals. A dust cover keep the 4 pin connector socket clean when not in use

USCAR 7 Pin to 4 Pin Trailer Harness

Well Protected

Total length of 41 inches wire, provide more options for installation. Black slit loom keeps the USCAR trailer wiring harness contained and well protected. Also keep wires clean and durable.

Customer Reviews

Based on 3 reviews
Miguel m

Es barato y fácil de instalar gracias seller 👍

Jay D
Fits Ram 1500 5th gen perfectly

Works great

Kurt W.
Exactly as described

I ordered this to be able to install a reverse and turn signal LED light bar on the back of my f150 and I using this allowed me to splice the reverse wire without touching any of the factory wires. Very satisfied with the ease of install of this harness and the quality. 10/10.

Parts ordered must be in stock for the order to ship. Approximately 98% of all orders placed leave our warehouses the same day (not including weekends & holidays). Even with our huge inventory, we may run out of an item. If this is the case you will receive an email with an expected availability date.

DELIVERY DAYS: 2-6 Business Days (More Time and Extra Fee for * Heavy and Big-size Products ) Processing Time: 1-2 Business Day

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