CURT 4-Pin Trailer Wiring Harness Vehicle-Side for Select Honda Acura Isuzu — Custom-Fit Plug-In with Tail Light Converter

CURT 55336 is a vehicle‑side, plug‑in 4‑pin trailer wiring harness made to deliver a direct, OEM‑compatible trailer connection for select Honda, Acura and Isuzu models without cutting or splicing.

If your vehicle has the factory-installed trailer wiring socket, this CURT T-connector provides a fast, reliable way to add a standard 4‑way flat trailer plug. The harness is custom-engineered to match the factory wiring harness of specific model years for a neat fit and straightforward installation. It includes the connector, mounting hardware and a dust cover to protect the socket when not in use. Built with SMT circuitry and a tail light converter, this unit is designed to preserve vehicle lighting functions and provide dependable trailer signaling.

How does this harness connect to my vehicle without cutting wires?

The CURT 55336 uses an OEM‑style plug that mates with the vehicle’s factory trailer socket, eliminating the need to splice into factory harnesses. Installation is plug‑and‑play: plug the connector into the vehicle’s socket, secure hardware as needed, and mount the 4‑way flat where it’s accessible.

• Uses factory‑compatible mating plug — no wire cutting.
• Includes all required mounting hardware for a secure attachment.
• Dust cover protects the socket from dirt and moisture.

Which vehicle lights and signals will this 4‑way flat support?

This 4‑pin output supplies standard trailer functions: running lights, brake lights and turn signals. The built‑in tail light converter ensures the vehicle and trailer wiring are compatible, preserving proper lamp operation and signal timing.

• 4‑way flat output for tail, stop and turn lights.
• Integrated converter adapts vehicle circuits to trailer wiring.
• Designed to maintain factory light behavior and safety signals.

Will this harness work on my specific Honda, Acura or Isuzu model?

The 55336 is designed for certain years and trims of Honda Accord, CR‑V, Element, Odyssey, Pilot, Prelude; Acura Integra, CL, RL, TL, MDX; and the Isuzu Oasis. Verify fitment using your vehicle year and model — compatibility details are available in the product application information before purchase.

• Vehicle‑specific connector for a precise fit.
• Check the online application list or fitment guide prior to ordering.
• Contact seller or CURT support if you are unsure about compatibility.

What makes CURT’s wiring different in durability and performance?

CURT designs custom wiring with surface‑mount technology (SMT) components and quality connectors to resist vibration and environmental stress. Every unit undergoes functional testing to ensure consistent performance when towing, and the included hardware helps maintain a stable connection.

• SMT circuitry for improved reliability and longer life.
• Tested for proper electrical function before shipping.
• Dust cover and secure mounting reduce corrosion risk and wear.

Who is this for? The CURT 55336 is ideal for drivers of compatible Honda, Acura or Isuzu vehicles who want a clean, manufacturer‑style trailer wiring solution without modifying factory wiring. It’s a practical choice for occasional tow users, weekend RV owners, small trailer haulers, and anyone who prefers a plug‑and‑play installation that preserves vehicle integrity and lighting function.