Seachoice 57731 6-Way Round to 4-Way Flat Trailer Wiring Adapter

The Seachoice 57731 is a trailer wiring adapter that converts a 6-way round connector on the tow vehicle to a 4-way flat connector for the trailer. This compact adapter eliminates the need for cutting or splicing wires, making it a quick and simple solution when switching between trailer types.

Constructed with a durable molded plastic housing that resists corrosion, this adapter is built to hold up in demanding marine, boating, and trailering environments. Both the 6-way round and 4-way flat ends feature brass pin terminals for reliable conductivity and a secure connection.

Key Features:

• Converts 6-way round vehicle connector to 4-way flat trailer connector
• Supports tail lights, left and right stop and turn lamps
• 6-way round-pin brass terminals (vehicle side)
• 4-way flat pin-style brass terminals (trailer side)
• 7.5 amp maximum load rating
• Corrosion-resistant molded plastic housing
• No cutting or splicing required — plug-and-play installation

Also known by full manufacturer part number 50-57731 (UPC: 719249577319). Ideal for use with boat trailers, utility trailers, and landscape trailers requiring a standard 4-way flat wiring connection.