Holley EFI Dominator EFI Engine Control Module - Wiring Harness - LS1 / LS6 - GM LS-Series Water Pumps 1977-1989 Oldsmobile Custom Cruiser

1977-1989 Oldsmobile Custom Cruiser

Vortec Head

Vehicle Applications: 11-14 Mustang GT 5

1959-1960 Chevrolet Biscayne

Holley EFI Dominator EFI Engine Control Module - Wiring Harness - LS1 / LS6 - GM LS-Series Water Pumps 1977-1989 Oldsmobile Custom CruiserWhen utilizing a Transbrake, it is mandatory to install either a relay or, our Transbrake input protection device. P N 554 128. This will protect the ECU from any flyback voltage when the Transbrake is released. Dominator EFI systems are sold "a la carte". The following must be purchased for a complete system: ECU (includes software and programming cable), Main Power Harness, Wideband Oxygen Sensor, Main Engine Wiring Harness, Injector Wiring Harness,