Nilight 7 Way Trailer Plug Extension Cord 8 Feet Heavy Duty 7 Pin Wiring Harness Cable
Nilight 7 Way Trailer Plug Extension Cord 8 Feet Heavy Duty 7 Pin Wiring Harness Cable
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Nilight 7 Way Trailer Plug Extension Cord 8 Feet Heavy Duty 7 Pin Wiring Harness Cable

|8 ratings

Key item features

  • Simplified Wiring: Features a 7-way copper blade molded into a heavy-duty plug for organized and simplified wire connections.
  • Effortless Extension: Provides an 8-foot extension for existing 7-way trailer plugs, offering a convenient solution for increased reach.
  • Robust Construction: The 7-pin truck wiring socket housing is crafted from durable molded black plastic, ensuring long-lasting use.
  • Protected Connections: Includes a spring-loaded dust cover to safeguard the connection points from environmental elements.
  • Broad Compatibility: Suitable for connecting tail, brake, reverse, turn signals, and auxiliary power for various towed vehicles like RVs and campers.
  • Superior Conductivity: Equipped with nickel-plated copper pins to ensure excellent electrical conductivity.
  • Weatherproof Design: Constructed with commercial-grade PVC that is both weatherproof and corrosion-resistant.
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Specs

Cord length, 8 ftFeatures, Heavy-Duty Construction, Quick Release ConnectorsBrand, NilightColor, BlackCable jacket material, PVCConductor material, Copper

About this item

Product details

8FT 7 Way Trailer Plug Socket Extension Cord This trailer wiring harness is designed to be an extension of the existing tow wiring of your truck, plugging into a 7-way RV blade socket for connecting 5th wheel wiring or gooseneck wiring. Durable weatherproof and corrosion resistant commercial grade PVC Spring-loaded dust cover protect the connection points Double-prong plug firmly holds the connection Nickel plated copper pins for superior conductivity
  • Simply Your Wire Harness: 7-way copper blade molded into a heavy duty plug provides a fast and simplified way for wires connection as well as keeping all your trailer wiring in order.
  • Easy to install: Simply plug this extension cable into your existing 7-way trailer plug and instantly extend its reach by 8 feet. It's a convenient solution for all your trailer extension needs.
  • Durable construction: For long-lasting use and a reliable connection, the housing of the 7-pin truck wiring socket is made from durable molded black plastic and has a spring-loaded dust cover to protect the connection points.
  • Versatile Applications: Perfect for connecting tail, brake, reverse, turn signals and auxiliary power of your trailers, RVs, campers, caravans, food vans and other towed vehicles. Please read the diagram carefully before any operations on the product. Package include: 8 ft. 7-Way Trailer Plug Socket Extension Cable*1 and Wiring diagram*1. Fit Type: Universal. 2 Years Warranty by Nilight.
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Specifications

Cord length

8 ft

Features

Heavy-Duty Construction, Quick Release Connectors

Brand

Nilight

Color

Black

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.4 out of 5 stars
stars
8 ratings4 reviews
Includes global ratings and reviews
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  1. 5 stars75% (6)
  2. 4 stars13% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star13% (1)
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Showing 1-3 of 4 reviews

Aug 23, 2026
Reviewer name: Patrick
Sold byNilight INC.Delivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

perfect

Excellent. Allows me to charge my trailer batteries without being too close to trailer

Incentivized Review
Helpful?3Y8IDEJL61EP5459027789
May 13, 2026
Reviewer name: Donna
Sold byNilight INC.Delivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Quality product

This was a quality product that made the connection work perfectly.

Incentivized Review
Helpful?3Y8IDEJL61EP5459027789
Mar 30, 2026
Reviewer name: lloyd
Sold byNilight INC.Delivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Best 7 pin trailer cord.

This real handy extension cord for those odd ball trailer wiring situations.

Incentivized Review
Helpful?3Y8IDEJL61EP5459027789
Current price is $31.99
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Sold and shipped by Nilight INC.
4.7558022199798184 out of 5 stars
4.8 stars out of 5, based on 996 seller reviews(4.8)
Extended holiday returns
Free Holiday returns until Jan 31