Add to favorites
Oyviny 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 by Oyviny - Used condition

Oyviny 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 — Open-Box, 23% Off

Brand: Oyviny

Condition: Used - VeryGood
$2067
$2699
-23% Save $632
Updated: 11 days ago

Description

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

Introduction:

Just unplug the factory 7 pin connector from the factory holder, place the female 7 pin connector into the factory holder. Plug the factory 7 pin connector into the male 7 pin connector. Then the flat 4 pin connector is used to connect connect trailer taillights, brake lights and turn signals.

Installation:
1. Locate the vehicle's factory 7-way attached on the driers side near the hitch.
2. Separate the vehicles connector from the back side of the facory 7 way. Take care not to damage the locking tabs.
3. Insert the T-connector end between the separated connectors. Make sure the connectors are fully inserted with locking tabs in place.
4. 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. 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.

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

  • Backed by Amazon's A-to-Z Guarantee
  • 30-day return policy
  • Ships from Amazon fulfillment centers
  • Price verified on Amazon

Product Details

SKU:
awhd-us-b08thnvp7s
Model:
OV2126-001
Country:
US
ASIN:
B08THNVP7S
UPC:
769894715468

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $6 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Oyviny products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

More open-box deals

Updated daily from Amazon, Reebelo, and Dyson.

Sign in to save items

Save favorites and get alerts when prices drop.

or

We'll email you a link to sign in instantly — no password needed.