10 Best 4-Pin Trailer Wiring Harnesses for Chevy Traverse in 2026

If you’re adding a trailer light connection to your Traverse, the right harness makes the job cleaner, safer, and far less frustrating.

This guide highlights the best 4-pin trailer wiring harness for Chevy Traverse buyers who want reliable fitment, simple installation, and dependable towing lights.

Best 10 4 Pin Trailer Wiring Harness for Chevy Traverse Picks for 2026

Best Easy Plug-In Option – CURT 56245 4-Pin Trailer Wiring Harness

If you want a straightforward 4 pin trailer wiring harness for chevy traverse, the CURT 56245 is built for plug-and-play installation using the vehicle’s existing OEM socket. It’s a practical choice for adding basic trailer lighting without cutting, splicing, or chasing down complicated aftermarket wiring.

Best For: Traverse owners who want a simple factory-style hookup for 4-way flat trailer lighting.

Pros:

• Plugs into the OEM socket for a fast, clean install
• Provides a 4-way flat connection for tail lights, brake lights, and turn signals
• Includes a dust cover to help keep the connector clean
• Backed by a limited one-year warranty

Cons:

• Only supports basic 4-pin trailer lighting, not higher-function brake or charge circuits
• Compatibility is limited to select vehicle trims and years

For drivers who mainly need a dependable 4 pin trailer wiring harness for chevy traverse, this CURT kit keeps the setup simple and OEM-friendly. It’s a solid fit if you value easy installation and clean factory-style operation over extra towing features.

Best for Easy Plug-and-Play Install – Wsays 4-Pin Trailer Wiring Harness

If you want a straightforward 4 pin trailer wiring harness for chevy traverse, this Wsays plug-and-play kit is built for recent Traverse and Enclave models and keeps the install simple. It connects trailer tail lights, brake lights, and turn signals without requiring a complicated wiring job, making it a practical choice for everyday towing needs.

Best For: Drivers who want an easy-to-install, factory-style 4-pin trailer wiring solution for compatible Traverse and Enclave models.

Pros:

• Plug-and-play design helps speed up installation
• Supports trailer tail lights, brake lights, and turn signals
• Dust-, moisture-, and corrosion-resistant construction
• Fits Chevrolet Traverse 2018-2023 and Buick Enclave 2018-2024

Cons:

• Only works with specified vehicle years
• Basic 4-pin setup limits it to simpler trailer lighting needs

For shoppers who mainly want a reliable 4 pin trailer wiring harness for chevy traverse without extra complexity, this one makes sense. It focuses on fitment, simple installation, and the core lighting signals most light-duty trailers need.

Best for Plug-and-Play Install – CURT 55341 4-Pin Trailer Harness

If you need a practical 4 pin trailer wiring harness for chevy traverse, the CURT 55341 is built for straightforward installation and reliable everyday towing. It plugs into the vehicle tail light assembly, so you can add a 4-way flat socket without cutting or splicing factory wires.

Best For: Chevy Traverse owners who want a simple, factory-style trailer wiring solution for basic towing needs.

Pros:

• Plug-and-play design avoids cutting or splicing
• 4-way flat output supports tail lights, brake lights, and turn signals
• Tail light converter improves vehicle-trailer compatibility
• SMT circuitry adds durability and consistent performance

Cons:

• Designed for basic 4-pin towing, not more advanced trailer setups
• May still require a little routing and mounting work during install

Overall, this is a strong choice if you want a dependable 4 pin trailer wiring harness for chevy traverse without a complicated install. It focuses on clean compatibility and everyday function rather than extra features, which makes it a smart fit for light towing and utility trailers.

Best OEM Replacement – 56245 4-Pin Trailer Wiring Harness

If you need a straightforward 4 pin trailer wiring harness for chevy traverse, this OEM-style replacement is aimed at restoring the factory-style trailer light hookup on compatible 2013-2017 Traverse models. It’s also listed for select Buick Enclave and GMC Acadia applications, making it a practical pick if you want a model-specific fit rather than a universal splice-in kit.

Best For: Chevy Traverse owners who want a direct replacement harness for basic 4-pin trailer lighting on compatible 2013-2017 vehicles.

Pros:

• Designed as a replacement for specific GM crossover applications
• Simple 4-pin setup for standard trailer light connections
• Good choice if you prefer an OEM-style fit over universal wiring
• Useful for restoring a worn or missing factory trailer connector

Cons:

• Limited to compatible model years and vehicle listings
• Only supports basic 4-pin trailer lighting functions
• Not the best option if you need a more universal kit

This 4 pin trailer wiring harness for chevy traverse is a solid match if your priority is a vehicle-specific replacement that keeps things simple and functional. If your Traverse falls within the supported years, it’s a clean way to get trailer lights working again without overcomplicating the install.

Best for OEM-Style Plug-In Install – CURT 55312 4-Pin Wiring Harness

If you need a 4 pin trailer wiring harness for chevy traverse-style trailer hookups and want the cleanest possible install, CURT’s custom T-connector approach is the main appeal. It plugs into the vehicle’s existing factory wiring instead of requiring cutting or splicing, making it a straightforward option for compatible GM trucks and SUVs.

Best For: Drivers who want a plug-and-play trailer light connection with minimal wiring work and a factory-like fit.

Pros:

• No cutting, splicing, or soldering required
• Standard 4-flat connector for basic trailer lighting needs
• Includes a rubber dust cover for added protection when not in use
• Ergonomic plug design makes connection and removal easier

Cons:

• Vehicle-specific fit limits compatibility
• Not a universal solution for every Traverse model or year
• Only provides a 4-pin connection, not a brake controller or 7-way setup

For the right compatible vehicle, this CURT harness is a practical way to add trailer lighting with less hassle than universal kits. If you’re shopping for a 4 pin trailer wiring harness for chevy traverse use, double-check year and trim compatibility before buying, since this model is aimed at specific GM applications.

Best for Easy Setup – Wsays 4-Pin Plug & Play Harness

If you want a straightforward 4 pin trailer wiring harness for chevy traverse, this Wsays kit is built around plug-and-play convenience rather than a complicated universal splice job. It’s aimed at drivers who need basic trailer lighting functions—tail lights, brake lights, and turn signals—while keeping installation simple on compatible GM crossovers.

Best For: Chevy Traverse owners who want an easy-to-install 4-way trailer light connection without cutting into the factory wiring.

Pros:

• Plug-and-play design makes installation faster and cleaner
• Fits Chevrolet Traverse 2013-2017 plus select Acadia and Enclave models
• Dust cover helps protect the connector from moisture and corrosion
• Supports essential trailer signal functions for safer towing

Cons:

• Limited to specific vehicle fitment, so double-check compatibility first
• Fuse and black signal converter box are not included

Overall, this 4 pin trailer wiring harness for chevy traverse is a solid pick if your priority is a direct-fit setup for basic trailer lighting. It’s not a universal heavy-duty solution, but for the right Traverse model year it offers a practical, low-hassle way to get towing lights working quickly.

Best for Easy Plug-In Install – CURT 55315 4-Pin Trailer Wiring Harness

If you need a simple 4 pin trailer wiring harness for chevy traverse-style towing setups, this CURT plug-in harness is built for fast installation with no cutting or splicing. It provides a standard 4-flat connector for basic trailer lighting and is a practical choice when you want a clean, factory-style hookup.

Best For: Drivers who want a straightforward plug-and-play trailer light connection with minimal installation hassle.

Pros:

• No cutting, splicing, or soldering required
• Standard 4-flat connector supports tail lights, brake lights, and turn signals
• Dust cover helps protect the plug when not in use
• Ergonomic grip makes plugging in and unplugging easier

Cons:

• Vehicle fitment is limited to specific GMC truck applications, so compatibility must be checked carefully
• Not a universal harness for every SUV or crossover

For buyers comparing a 4 pin trailer wiring harness for chevy traverse, the main takeaway is that this CURT kit is best suited to compatible vehicle-specific installs rather than broad fitment. If your vehicle matches the application list, it offers one of the easiest ways to add basic trailer lighting without modifying the factory wiring.

Best Vehicle-Fit Pick – WeiSen 4-Pin Wiring Harness for Traverse/Acadia/Enclave

If you need a 4 pin trailer wiring harness for chevy traverse, this WeiSen kit is a practical option because it’s designed for a range of GM crossovers, including the Traverse, with vehicle-specific fitment in mind. It’s a straightforward choice for drivers who want a clean 4-flat trailer connection for light towing, utility trailers, or bike racks with trailer lighting.

Best For: Chevy Traverse owners who want a model-specific 4-pin harness for simple trailer light hookups.

Pros:

• Vehicle-specific design for GM crossover applications
• Provides a standard 4-flat connection for common trailer lighting needs
• Good fit for occasional towing and basic accessory trailers
• Includes the core parts needed for a dedicated wiring install

Cons:

• Only supports basic 4-pin trailer lighting, not advanced trailer functions
• Fitment varies by trim and model year, so double-check compatibility

This is a sensible pick if you want a dedicated 4 pin trailer wiring harness for chevy traverse without paying for more wiring capacity than you’ll use. It’s aimed at everyday towing setups where reliability and a simple plug-in style connection matter most.

Best OEM-Style Fit – CURT 56027 4-Pin Trailer Wiring Harness

If you want a straightforward 4 pin trailer wiring harness for chevy traverse, the CURT 56027 is a practical plug-and-play option designed to match select GM vehicles without a complicated install. It’s a solid pick for drivers who need reliable basic trailer light connections for light-duty towing, bike racks, or small utility trailers.

Best For: Chevy Traverse owners who want a simple vehicle-side 4-flat harness with an OEM-style fit and minimal installation hassle.

Pros:

• Custom-fit design for select Chevy Traverse applications
• 4-pin flat connection supports basic trailer lighting needs
• Vehicle-side harness keeps the setup clean and tidy
• Good choice for quick, no-fuss towing prep

Cons:

• Only covers basic 4-pin trailer functions, not advanced towing features
• Fitment is limited to specific vehicle trims/years

Overall, this CURT harness is a sensible option if you need a dependable 4 pin trailer wiring harness for chevy traverse and prefer an install that feels closer to factory integration than a universal adapter.

Best for Factory Tow Package – Nilight 4-Pin Traverse Harness

If you need a straightforward 4 pin trailer wiring harness for chevy traverse, this Nilight kit is built for the factory tow package setup on 2013-2017 Traverse models and related GM SUVs. It uses OEM-style plug-in connectors, so you can add a standard 4-flat trailer connection without cutting or splicing the vehicle wiring.

Best For: Chevy Traverse owners with the factory tow package who want a plug-and-play 4-flat harness for light trailer towing.

Pros:

• Vehicle-specific fit for 2013-2017 Chevrolet Traverse with factory tow package
• Plug-and-play install with no wire cutting or splicing
• Standard 4-flat connector supports trailer lights, brakes, and turn signals
• Includes dust cover plus extra fuses, relays, zip ties, and screw

Cons:

• Requires the factory tow package to work as intended
• Limited to a basic 4-pin trailer connection, not a full brake controller setup

This is a solid pick if you want a clean, OEM-style 4 pin trailer wiring harness for chevy traverse and prefer an easy install over universal wiring kits. Just make sure your Traverse has the required factory tow package before ordering.

How We Picked the Best 4 Pin Trailer Wiring Harness for Chevy Traverse

We focused on harnesses that match the Traverse by model year, use vehicle-specific connectors where possible, and support basic 4-way trailer lighting functions. Priority went to options that reduce splicing, simplify installation, and fit common towing needs for small utility trailers, bike racks with lights, and lightweight cargo trailers.

Quick Comparison

Most buyers will choose between custom-fit plug-and-play harnesses and universal-style replacement kits. Custom-fit models are usually the easiest choice because they connect directly into factory wiring and are less likely to require cutting. Replacement-style kits can still be a good value if you are shopping across multiple GM platforms or replacing an existing connector.

Key Buying Factors for 4 Pin Trailer Wiring Harness for Chevy Traverse

Model-Year Fitment

Fitment matters more than almost anything else. The Chevy Traverse changed across generations, so always match the harness to your exact year range. A harness built for 2013–2017 may not work on 2018–2023 vehicles, even if the connector type looks similar.

Vehicle-Side Vs. Universal Design

A vehicle-side custom harness typically offers the best combination of speed and reliability. If you want an easier install with fewer variables, look for a plug-and-play design that taps into factory ports. Universal kits may take more time and may involve more steps during setup.

4-Way Function Support

A standard 4-pin setup should handle tail lights, brake lights, turn signals, and running lights. If your trailer uses those basic signals only, a 4-way harness is usually the right fit. For electric brakes or larger trailers, you would need a different setup.

Build Quality and Weather Resistance

Because trailer connectors live near road spray and grime, durable housing, secure locking tabs, and weather-resistant terminals are important. A better-sealed harness can help prevent intermittent lighting issues and corrosion over time.

Who Should Buy Which 4 Pin Trailer Wiring Harness for Chevy Traverse?

If you want the simplest install and the best chance of direct compatibility, choose a custom-fit option from a trusted brand. If you own an older Traverse or are comparing across sibling GM SUVs, a replacement or cross-compatible harness may give you more flexibility. For most shoppers looking specifically for a 4 Pin Trailer Wiring Harness for Chevy Traverse, the best choice is the one that matches your exact year, installs without splicing, and supports your trailer’s lighting needs with minimal hassle.