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    • MSD CAN-Bus Extension Harness, 4 Feet | 7784
    • MSD CAN-Bus Extension Harness, 4 Feet | 7784
    • MSD CAN-Bus Extension Harness, 4 Feet | 7784
    • MSD7784.jpg
    • Can-Bus Extension Harness For Power Grid System 4 Feet MSD Ignition
    • 7784_v1.jpg
    • 7784_v1.jpg
    Sale!

    MSD CAN-Bus Extension Harness, 4 Feet | 7784

    Vendor: MSD
    Part Number: 7784
    Save $9.70
    Sale Price $77.25 Regular Price $86.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    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 4-foot extension harness lengthens the CAN-Bus connection between the Power Grid Controller and its accessory modules, giving universal mounting flexibility for the whole system.

    Specifications:

    • Length: 4 feet
    • Make: Universal
    • Part Type: Ignition Harness
    • Product Type: Power Grid
    • Sub Category: Ignition Wire and Related Components
    • Part Number: 7784

    FAQ

    What does the CAN-Bus Extension Harness (PN 7784) do?

    It extends the CAN-Bus connection between the Power Grid Controller and its accessory modules by 4 feet.

    Is this harness vehicle-specific?

    No, it's a universal-fit harness for any MSD Power Grid installation.

    Is a longer version available?

    Yes, a 6-foot version is available as PN 7786.

    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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