This adapter lets you use a 6 Round vehicle side connector with a 4 Flat trailer side connector. Integrated LED lights lets you know if know when wiring is functioning properly. This adapter includes a dust cover for long lasting performance and an easy-pull grip design for disengaging from the tow vehicle. Product Features:Includes Function Testing L.E.D.sPlug-In Simple! AdapterVerifies Electrical ContinuityImpact And Corrosion ResistantIncludes Dust Cover
