Nilight 4-Pin to 7-Pin Trailer Adapter Wiring Harness

Upgrade your RV or truck's towing setup with the Nilight 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Harness. This high-quality adapter seamlessly converts your vehicle’s 4-pin flat connector to a 7-pin round blade trailer plug, ensuring a secure and stable electrical connection without any wiggle or loose fitting. Designed for reliable power transfer, it supports all essential trailer functions, including turn signals, brake lights, reverse lights, and auxiliary power.

Built to last, this adapter features a durable black plastic construction that resists rust and corrosion while protecting against dust and moisture. The spring-loaded cover adds an extra layer of defense for the inner contacts, and the included black wire loom keeps the harness organized and protected for long-term durability. Installation is effortless with the provided mounting bracket, screws, and nuts—simply attach it to your trailer hitch or bumper for a hassle-free setup. Compatible with most trailers, semitrailers, caravans, and RVs, this adapter is the perfect solution for enhancing your towing safety and convenience.