Daytona Twin Tec Twin Cam 88 Ignition Module & Wire Harness With Coil and Plug Wires Includes the Tc88A Ignition and wire harness for carbureted Twin Cam engines 12 pin connection Use this kit for custom bike builds or replacing faulty stock ignition harnesses The wire harness includes your stock connectors for the Coil, Map Sensor, Crank Position Sensor, and Diagnostic port, as well as leads for ground, 12 Volt switched connection, and tach wire Note: For Carbureted models or Magnetti-Marelli Fuel Injection, not for Delphi EFI systems.