Function: This trailer wiring adapter easily converts a vehicle's 4-way flat wiring to a 5-way flat for boat trailers, adding a fifth wire for reverse lights, specifically for boat trailers with surge brakes
Ergonomic Design: Designed for easy plug-in, with special grips for better friction, making it easy to remove the adapter
Standard Connection: Fits any standard 4-way flat connector and is used for connecting taillights, brake lights, turn signals, and reverse lights
Easy Installation: No drilling or cutting required; simply plug and play for quick installation
Durable Construction: Made from high-quality molded rubber, providing excellent rust and corrosion resistance, ensuring long-lasting performance in harsh weather conditions