The Coil Power Taps are an effective and easy way to get Ignition 12v and Ground, from your coil harness. Perfect for alternator exciters, flex fuel sensors, or any other item. TPCOIL1PT is designed for LS1 style coils only. For newer LS and LT coils please see TPCOIL2PT, and for IGN 1A and other Smart Coils, please see TPCOIL3PT.