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    Sale!

    Holley EFI Transmission Control Harness, 1998+ Ford 4R70W/4R75W | 558-470

    Vendor: Holley EFI
    Part Number: 558-470
    Save $36
    Sale Price $285.95 Regular Price $321.95

    In Stock

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    This plug-and-play transmission control harness expands the transmission control options for Holley EFI systems, providing a simplified installation for 1998-and-newer Ford 4R70W and 4R75W electronic transmissions using J4 connectors.

    Specifications:

    • Application: 1998+ Ford 4R70W/4R75W transmissions
    • Connector: J4
    • Compatible ECUs: Dominator and Terminator X Max only
    • Required Software: Version 4.0 build 32 or higher
    • Required ECU Firmware: Version 4.0 build 110 or higher
    • Part Number: 558-470

    Not compatible with 4WD installations. All 10 pins are terminated at the transmission connector; unused pins do not need to be removed before installation. Includes an extra pressure transducer connector for an optional line pressure sensor (Holley P/N 554-136).

    FAQ

    What transmissions does this harness fit?

    It's designed for 1998-and-newer Ford 4R70W and 4R75W automatic transmissions.

    What ECUs is this harness compatible with?

    Only Dominator and Terminator X Max ECUs, running software version 4.0 build 32+ and ECU firmware 4.0 build 110+.

    Can this harness be used in a 4WD vehicle?

    No, this harness is not compatible with 4WD installations.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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