Nilight 7-Way RV Blade & 4-Way Flat Dual Output Tow Adapter

Upgrade your towing setup with the Nilight Dual Output 7-Way RV Blade & 4-Way Flat Wiring Harness Tow Adapter. Designed for vehicles equipped with a factory USCAR 7-way socket, this versatile converter lets you connect two different trailer types without swapping connectors — perfect for RV owners, truck drivers, and anyone who tows multiple trailers.

Why Choose the Nilight Dual Output Tow Adapter?

• Dual Output Convenience: Features both a 7-way RV blade output and a 4-way flat output simultaneously, so you can tow trailers with different connector types without any hassle.
• USCAR Compatible: The 7-way USCAR input plug connects directly to your vehicle's factory-installed USCAR 7-way socket — no rewiring required.
• Full Lighting & Brake Support: Supports taillights, brake lights, turn signals, reverse lights, trailer brakes, and auxiliary power connections.
• Durable Construction: Tin-plated contacts resist corrosion; ABS plastic covers protect the adapter from the elements; wire loom keeps all wires neatly contained for long-term reliability.
• Dust-Proof 4-Way Socket: The 4-way flat socket includes a tight-fitting dust cover to keep it clean when not in use.
• Easy Bracket Installation: Includes mounting brackets, screws, and nuts so both connectors can be securely installed on your vehicle.
• 2-Year Warranty: Backed by Nilight's 2-year warranty for peace of mind.

What's in the Box?

• 1 × 7-Way RV Blade Output Plug
• 1 × 4-Way Flat Output Socket (with dust cover)
• 1 × 7-Way USCAR Input Plug
• Mounting Brackets, Screws & Nuts

Product Details

7-Way RV Blade Output

Connects to any standard 7-way RV blade trailer socket. Tin-plated contacts ensure a reliable, corrosion-resistant connection. The durable ABS cover protects the plug when in use or at rest.

4-Way Flat Output Socket

Connects to trailers equipped with a standard 4-pin flat plug. The included dust cover keeps the socket protected when not actively towing.

7-Way USCAR Input Plug

Plugs directly into your vehicle's factory USCAR 7-way socket — no tools or modifications needed. Compatible with most modern trucks and SUVs with a factory tow package.

Mounting Bracket Installation

Install the 7-way blade connector onto the provided mounting bracket using the included screws and nuts. Secure the 4-way flat socket into a second bracket, then tighten and you're ready to tow.

Made in Mainland China.

For more information on safe towing practices, visit the National Highway Traffic Safety Administration (NHTSA). For wiring safety guidelines, refer to CPSC.gov.

Learn more: Tow hitch

Frequently Asked Questions

Q: What vehicles is the Nilight Dual Output 7-Way USCAR Tow Adapter compatible with?

A: This adapter is designed for vehicles equipped with a factory-installed USCAR 7-way socket, which is standard on most modern trucks, SUVs, and vans with a factory tow package. Check your vehicle's hitch receiver area for a USCAR 7-way socket before purchasing.

Q: Can I use both the 7-way RV and 4-way flat outputs at the same time?

A: Yes — the dual output design allows both connectors to be available simultaneously, so you don't need to swap adapters when switching between trailers with different connector types. Only one trailer should be actively towed at a time.

Q: What trailer functions does this adapter support?

A: The Nilight tow adapter supports taillights, brake lights, turn signals, reverse lights, trailer brakes, and auxiliary power — covering all standard trailer wiring functions through both output connectors.

Q: Does the Nilight 7-way to 4-way adapter come with mounting hardware?

A: Yes. The package includes mounting brackets, screws, and nuts for both the 7-way RV blade connector and the 4-way flat socket, making installation straightforward without requiring additional hardware.

Q: What is the warranty on this product?

A: Nilight backs this tow wiring harness adapter with a 2-year warranty, covering defects in materials and workmanship under normal use conditions.