Holley EFI Dominator EFI Engine Control Module - Wiring Harness - Transmission Harness - Drive-By-Wire - LS1/LS6 - GM LS-Series 1029301 1999-2007 GMC Sierra 1500 Standard

1999-2007 GMC Sierra 1500 Standard Cab Pickup

Trans-Dapt Carburetor To TBI Adapter 2206 Quadrajet 4 bbl

1972-1975 Jeep CJ6 CID 258 GAS Transmission:Automatic

1973-1980 Chevrolet Malibu

ProStar EFI

Holley EFI Dominator EFI Engine Control Module - Wiring Harness - Transmission Harness - Drive-By-Wire - LS1/LS6 - GM LS-Series 1029301 1999-2007 GMC Sierra 1500 StandardWhen 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,