Description
Heavy-Duty Wiring Solution. The 7-Foot 5th Wheel/Gooseneck Custom Wiring Harness with 7-Way Connector provides a reliable electrical connection for towing heavy trailers. It routes a 7-way RV blade socket into the truck bed while retaining the use of the rear socket, simplifying the setup for 5th wheel or gooseneck trailer wiring. This harness ensures all essential signal and power functions are supported, providing a vital component for safe and efficient towing.
Durable Construction and Protection. This wiring extension harness features a slit loom that keeps wires neatly contained and well protected from abrasion and environmental damage. The right-angle plug design simplifies installation, and the spring-loaded dust cover maintains cleanliness and prevents corrosion when the connector is not in use.
Professional Grade Installation. Installation requires professional skills and a 2-1/8″ hole saw to route the wiring into the truck bed, enabling a firm and secure fitment while preserving the OEM wiring.
Warranty and Coverage. The product includes a one-year limited warranty for peace of mind. Application. Designed to fit 2007 through 2026 Sierra 2500 HD models, ensuring compatibility with this vehicle’s electrical and chassis setup.
CA Residents: WARNING: Cancer and Reproductive Harm
- Routes A 7-Way RV Blade Socket Into Truck Bed While Retaining Use Of Rear Socket
- Simple Plug-And-Play Design Eliminates The Need For Cutting Or Splicing
- Allows Easy Connection Of 5th Wheel Or Gooseneck Wiring
- 7-Way Connects Tail, Brake, Reverse, Turn Signals, Brakes, And Auxiliary Power
- 7′ Extension With Right-Angle Plug For Easy Installation
- Spring-Loaded Dust Cover Keeps Connector Clean When Not In Use
- Slit Loom Keeps Wires Contained And Well Protected
- Requires 2-1/8″ Hole Saw For Installation
- Fits 2007-2026 Sierra 2500 HD






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