Metra 70-5516 98-01 Ford/mercury/lincoln Cd Wire Harness + Amp Integration Harness GXSL Type of wire used in Metra Turbwires provides more flexibility, handles more power than cheaper wire kits so your speakers get all the power without any leaking out TurboWires are heat resistant so they will last a lifetime Turbowires are 7 inches in legnth so they are easy to install. Cheaper brands offer wires that are nearly impossible to install because the length is too short. Precision hand assembled terminals are pressure sensitive, and do not break easily like the cheaper ones OEM Quality terminals! This makes a secure connection between the terminals and the connectors