Oyviny Brake Control Wiring Adapter 3064-P for 2019–2024 GMC Sierra & Chevy Silverado — 4‑Pin Plug‑In, 31" Lead

Oyviny 3064-P Brake Control Wiring Adapter is a ready-to-install plug-and-play harness that lets compatible 2019–2024 GMC and Chevrolet trucks and SUVs accept a standard 4-pin trailer brake controller without cutting or splicing.

This compact adapter harness is designed for GM vehicles equipped with the factory tow package and provides a neat, factory-like connection point under the dash for many popular aftermarket brake controllers. Built with ABS housing, pure copper conductors and tin-plated terminals, the harness protects wiring from abrasion and weather while maintaining reliable electrical contact. The 31-inch lead gives installers enough routing length for tidy placement and reduced strain on connectors.

Which vehicles and brake controllers work with this harness?

This Oyviny 3064-P plug-in adapter is made for 2019–2024 model-year GMC Sierra, Chevrolet Silverado 1500/2500/3500, Chevrolet Suburban, Chevrolet Tahoe and GMC Yukon when the factory tow package is present. It accepts the industry-standard 4-pin brake controller connector used by many major brands.

• Compatible GM models: 2019–2024 Sierra, Silverado, Suburban, Tahoe, Yukon (factory tow package required)
• Works with many controllers: Tekonsha P2/P3/Prodigy/Voyager, Draw-Tite Activator series, REESE Towpower models
• Note: not compatible with CURT brake controllers

How simple is the installation and what tools are required?

Installation is straightforward and designed for DIYers: plug the harness into your brake controller and insert the vehicle-side connector into the factory port under the dash—no cutting, splicing or wire taps are necessary. Typical installs take only minutes and usually require minimal tools for routing and securing the cable.

• Plug-and-play connection—no wire cutting or splicing
• 31-inch cable length for flexible routing under the dashboard
• Use basic tools only: zip ties, trim pry tool or a flashlight for routing

What are the build quality and electrical features?

The harness combines ABS plastic housing with pure copper wiring and tin-plated copper terminals for efficient conductivity and corrosion resistance. An external black nylon net sleeve protects the cable from abrasion and road-related wear, enhancing durability and service life.

• ABS connector housings for impact resistance and fit
• Tin-plated copper terminals for better corrosion resistance and contact
• Nylon net sleeve to protect against abrasion and moisture exposure

Will this adapter affect vehicle electronics or warranties?

The adapter provides a standardized, manufacturer-like connection that avoids permanent modifications to factory wiring, which helps preserve the vehicle’s original wiring layout. Because the harness installs without cutting factory wires, it is generally considered a reversible upgrade; check vehicle warranty terms and consult your dealer if you have specific concerns.

• No splices or permanent changes to factory wiring
• Designed to plug into OEM tow-package port under dash
• Reversible removal keeps original wiring intact

Who is this for: The Oyviny 3064-P Brake Controller Wiring Adapter suits owners of 2019–2024 GMC Sierra, Chevrolet Silverado, Suburban, Tahoe and GMC Yukon vehicles with a factory tow package who want a clean, reliable way to add a compatible 4-pin aftermarket brake controller. It’s ideal for DIY installers, fleet managers, and anyone wanting a durable, non-destructive wiring solution for electric trailer brakes without specialized wiring skills.