8 Channel Individual High Output IGN-1A Inductive Coil to GM LS V8 Adaptor Sub-harness Only Suits: All Haltech LS V8 Terminated Engine Harnesses. Easy plug in connection for IGN-1A Coil harness (HT-130306) or IGN-1A Harness +Coils Kit (HT-130312). Note: Does not include 8 Channel IGN-1A Coil Harness, IGN-1A Coils, or LS Terminated Engine Harness. Please order separately if required.