Reese Towpower 74689 48" 4-Way Flat Loop Wiring Connector

Ensure safe and reliable trailer towing with the Reese Towpower 74689 48-Inch 4-Way Flat Loop Wiring Connector. Designed for connecting your vehicle’s electrical system to your trailer, this wiring harness delivers a simple and secure solution for transmitting tail light, stop, and turn signal functions from your vehicle to your trailer. Whether you're hauling cargo, boats, campers, or utility trailers, this 4-way flat connector ensures proper lighting communication for road safety.

Constructed with durable 18-gauge bonded wire, this wiring connector resists weather, dirt, and corrosion for long-lasting performance in all towing environments. The wires are color-coded and printed with function labels (taillight, stop, and turn signals), helping to simplify installation and reduce the risk of wiring errors. This thoughtful feature is especially helpful for both DIY users and professionals looking to make a fast, accurate connection.

With a 48-inch total length, the loop provides enough flexibility to connect your trailer and vehicle even with a moderate gap between plugs. The ground wire runs the full length of the harness, ensuring a solid electrical ground from start to finish — a critical feature for maintaining signal reliability during towing.

The flat 4-pin design is compatible with most light-duty trailers and standard towing setups. This wiring connector creates an easy, one-step plug-and-play electrical connection between your trailer and vehicle. No cutting, splicing, or guesswork required — just match the wires and plug it in.

Whether you're replacing an old wiring harness or installing a new tow setup, the Reese Towpower 4-Way Flat Wiring Connector is built for reliability, safety, and ease of use. It’s the trusted choice for trailer owners, RV travelers, and weekend haulers.

Final Note: Reese is a trusted name in towing accessories — quality you can count on every mile.