Atlantic British Land Rover YWJ500120 Trailer Wiring Kit for the Discovery 2 A high-quality Land Rover trailer wiring kit custom-developed for your Discovery. Seamlessly converts your Land Rover's wiring plug to a standard Flat 4 North American spec plug. Includes a rubber plug cap to protect the exterior trailer plug from the elements and aneasy plug-and-go installation that means it can be installed in minutes Stop and turn functions are rated for up to 5 amps and taillight function is rated for up to 6 amps. Replaces OE part YWJ500120 and fits the Land Rover Discovery 2 (1999 - 2004).