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    Sale!

    Holley Sniper EFI Sniper 2 Input/Output Harness, 60 in | 558-497

    Part Number: 558-497
    Save $5.98
    Sale Price $47.81 Regular Price $53.79

    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 harness gives access to two ground trigger inputs, two ground trigger outputs, a points output, a tachometer output, and a digital gauge output. The input grounds can be used for A/C kick or nitrous stage activation, while the output grounds can control an electronic fan or shut down A/C at wide-open throttle. An additional 0-5V TPS output is included for transmission control units, along with a tach output wire that drives most common aftermarket tachometers.

    Specifications:

    • Length: 60 in
    • Output Wires: 5 ft
    • Additional Output: 0-5V TPS
    • Part Number: 558-497

    Wires come individually labeled for easy identification during installation.

    FAQ

    What can the ground trigger inputs be used for?

    The two ground trigger inputs can be used for functions like A/C kick or nitrous stage activation.

    What can the ground trigger outputs control?

    The two ground trigger outputs can control an electronic fan or shut down A/C at wide-open throttle.

    Does this harness include a tachometer output?

    Yes, it includes a tachometer output wire compatible with most common aftermarket tachometers.

    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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