Flat 4 Wiring Harness Extension 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 when noted. Double Ended 4-Way 2 Cord 4-Way flat car and trailer ends California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Trailer Electrical Lighting Product MPN 707254 Product UPC 053522072543 Fast Ship In Stock Ships Today