Wesbar 4 Trunk Connector 4-Way Harness Wesbar harnesses conform to all applicable SAE, NMMA, and TMA standards to provide years of dependable service. Standard 4-way harnesses have an 18 ground wire except where noted. Wesbars 5-way plugs mate with all Wesbar 4-way plugs and will operate all DOT required lights. 4-Flat Car End Connector 48 Long 18 Ground California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Trailer Electrical Lighting P