This wiring harness interfaces a Holley EFI ECU to a 2V or 4V 1999-2004 Ford Modular engine. It is meant to be used in conjunction with an injector harness, a coil harness, and ignition modules. Most stock sensors are used with this harness.
•Harness Kit Includes: Main Power Harness, Ford Modular Main Harness, Ford V8 Injector Harness, Ford Modular 4V Coil Harness, Coil Drivers
•Can be used with HP or Dominator ECU's
NOTICE: You will need to purchase an ECU and O2 Sensor to make this a complete kit. This kit is meant to be used in conjunction with an injector harness, a coil harness and ignition modules.
558-506 EFI Harness 1999-2004 Ford Modular 4 Valve