Hopkins 4-Way Flat Trailer Wiring Connector Kit – 12" Vehicle Harness with Splices & Instructions

The Hopkins 48165 Trailer Connector Set is a reliable and easy-to-install solution for connecting your vehicle's electrical system to your trailer. Whether you're towing a utility trailer, small boat, camper, or cargo hauler, this 4-way flat wiring kit provides all the essential lighting functions you need for safe and legal towing.

This kit includes a 12-inch vehicle-side 4-flat harness and 6 wire splices, allowing you to tap into your vehicle's existing wiring without complex tools or cutting. It’s ideal for DIYers and professionals alike, delivering dependable performance at an affordable price point.

The Hopkins 4-flat connector supports standard trailer lighting, including left turn, right turn, brake lights, tail lights, and ground. Each function is clearly defined, and the included wire splices simplify the connection process by eliminating the need for soldering. Installation instructions are included right in the package, guiding you step-by-step to ensure a secure fit and a successful connection.

Perfect for use with a wide variety of light-duty trailers, this connector is engineered for durability. The harness is constructed with weather-resistant materials to withstand the elements, resist corrosion, and perform well over time. Whether you're wiring a brand-new trailer or replacing a worn-out connector on your vehicle, the Hopkins 48165 kit is a dependable go-to.

Compact and easy to store, this connector is a great addition to your towing gear. The universal design makes it compatible with most 4-flat trailer connectors, and the 12" length gives just enough room for easy routing and connection without excessive slack.

Product Highlights:

• Part Number: 48165
• Includes 12" vehicle-side 4-flat connector
• 6 wire splices for quick, secure connections
• Provides brake, tail, turn, and ground signal functionality
• Easy-to-follow instructions included
• New in retail package
• Final clearance – limited quantities available

Upgrade or repair your trailer wiring with confidence — trust Hopkins, a name known for towing solutions that last.