This adapter allows the Super Tach II and Super Tach II Mini (CP79xx) to be connected to vehicles equipped with Distributorless Ignition System (DIS) that do not have a dedicated tachometer connection.
Designed for vehicles equipped with Distributorless Ignition System (DIS)
Connections for Coil 1, Coil 2, and Tach Output
Great for cars and trucks that have no tachometer output available