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Holley EFI

Ford 4R70W/4R75W Transmission Control Harness

Ford 4R70W/4R75W Transmission Control Harness (98+)

Part # 558-470 Be the first to write a review
Estimated shipping date: 11/19/2021
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Ford 4R70W/4R75W Transmission Harness - Complete terminated harness with j4 connector to operate 1998+ Ford electronic transmissions, for Dominator EFI and Terminator X Max only!


  • Plug and play fully terminated harness
  • Extra pressure transducer connector for optional Line pressure sensor (554-136)

About Holley EFI

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!

Brand Holley EFI
Emission Code5
Harness ApplicationFord
Harness TypeTransmission
Product TypeHarness Kit
Part Number558-470

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Requires software version 4.0 build 32 or higher and ECU firmware 4.0 build 110 or higher ***Dominator ECU Required P/N 554-114*** All 10 pins are terminated at the transmission connector. Not all of these pins are utilized however, there is no need to remove them prior to installation.

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.