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    • GM 4 Pin Alternator Pigtail 560 Ohm 1/2 Watt Inline Resistor Holley
    • GM 4 Pin Alternator Pigtail 560 Ohm 1/2 Watt Inline Resistor Holley
    • GM 4 Pin Alternator Pigtail 560 Ohm 1/2 Watt Inline Resistor Holley
    • GM 4 Pin Alternator Pigtail 560 Ohm 1/2 Watt Inline Resistor Holley
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    Sale!

    Holley GM 4-Pin Alternator Pigtail, Weather Pack Style, 8 Ft | 197-400

    Vendor: Holley
    Part Number: 197-400
    Save $3.50
    Sale Price $27.99 Regular Price $31.49

    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 alternator plug pigtail incorporates a Weather Pack style seal and an in-line resistor that allows, but doesn't require, a charge light in the exciter circuit. The exciter wire is blacked out as it leaves the alternator plug so it blends into a flex loom.

    Specifications:

    • Finish: Yellow
    • Material: Wire
    • Wiring Harness Length: 8 ft
    • Product Type: Pigtail Connector
    • Part Number: 197-400

    FAQ

    What alternators does this fit?

    GM alternators with a 4-pin oval connector.

    Does it include a resistor for the charge light circuit?

    Yes, an in-line 560 ohm, 1/2 watt resistor that allows but does not require a charge light.

    How long is the harness?

    8 feet.

    What power source does it need?

    A switched 12V source that's "on" while the engine is running.

    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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