• 5 to 4 Wire Converter for your trailer.
• This converter is the same high quality seen in all Big Bike Parts® trailer wire harnesses, and provides a quality 5 wire to 4-way flat trailer connection.
• Color coded to match Big Bike Parts® Trailer Harness
• Designed to universally fit the bike or vehicle of your choice.
• 4-Way Flat Trailer Output
• Color Coded Wires

Fits GL1500 and GL1800 2018+

Don't fit GL1800 2001-2017