Step by step wiring harness installThe seller is topendspeed and is located in Tampa, Florida. The item 1949 1951 mercury wire harness upgrade kit fits painless new circuit complete is in sale since Friday, December 20, 2019. So keep us at the TOP of your list as your one stop performance parts & accessories shop and we will show you why we are at the TOP in the business by offering you TOP END products at the best prices with unmatched TOP END service.