Tekonsha 2 to 3 Taillight Converter for Tow Vehicles with 2 Wire Systems to Towed Vehicles with 3 Wire Systems 118158

2 to 3 Taillight Converter for Connecting Tow Vehicles w/2 Wire Systems to Towed Vehicles w/3 Wire Systems
Allows R.V.’s & other vehicles with 2 wire systems to tow vehicles and trailers with 3 wire systems