Curt 56072 7' GM 5th Wheel/Gooseneck Wiring Extension - 7-Way RV Blade

Why Choose the Curt 56072 GM Wiring Extension?

The Curt 56072 adds a convenient 7-way RV blade connection inside the bed of compatible Chevrolet Silverado and GMC Sierra trucks for easier 5th-wheel and gooseneck trailer hookup. It plugs into the factory trailer wiring while retaining full use of the original rear-mounted 7-way socket.

This harness fits 2019-2026 Silverado and Sierra 1500 models, 2022 Silverado 1500 LTD and Sierra 1500 Limited models, and 2020-2026 Silverado and Sierra 2500 HD and 3500 HD trucks. The included adapter cover fits the factory GM truck-bed connector opening for a clean, integrated installation.

Key Features & Benefits

• In-Bed 7-Way RV Blade Socket: Provides convenient trailer wiring access for 5th-wheel and gooseneck towing
• Retains Factory Rear Socket: Keeps the original bumper-mounted 7-way fully functional
• 7-Foot Harness: Provides flexible routing from the factory wiring to the truck bed
• Plug-and-Play Installation: Connects to the vehicle's OEM harness without cutting or splicing
• GM Truck-Bed Adapter Cover: Allows the socket to mount cleanly in the factory connector opening
• Full 7-Way Functions: Supports tail, brake, reverse, turn signal, trailer-brake, and auxiliary-power circuits
• Spring-Loaded Dust Cover: Helps keep the in-bed socket clean when disconnected
• Protective Slit Loom: Keeps the wiring organized and protected along the routing path
• Vehicle-Specific Fitment: Designed for compatible Chevrolet Silverado and GMC Sierra trucks from 2019 through 2026

Technical Specifications