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    • MSD 2-Channel Relay Module, Two 40 Amp Relays, LED Status Indicators | 7566-2
    • MSD 2-Channel Relay Module, Two 40 Amp Relays, LED Status Indicators | 7566-2
    • MSD 2-Channel Relay Module, Two 40 Amp Relays, LED Status Indicators | 7566-2
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    • MSD 2 Channel Relay Module Two 40 Amp Relays MSD Ignition
    • MSD 2 Channel Relay Module Two 40 Amp Relays MSD Ignition
    • MSD 2 Channel Relay Module Two 40 Amp Relays MSD Ignition
    • MSD 2 Channel Relay Module Two 40 Amp Relays MSD Ignition
    • MSD 2 Channel Relay Module Two 40 Amp Relays MSD Ignition
    • MSD 2 Channel Relay Module Two 40 Amp Relays MSD Ignition
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    Sale!

    MSD 2-Channel Relay Module, Two 40 Amp Relays, LED Status Indicators | 7566-2

    Vendor: MSD
    Part Number: 7566-2
    Save $13
    Sale Price $103.95 Regular Price $116.95

    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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    MSD relay modules install easily into most automotive electrical systems where a high-amperage relay is needed, and work well with high-amperage electric fuel pumps and high-CFM electric cooling fans. Each of the 2 relays comes with a 40-amp fuse, though lower-amp fuses can be substituted if required, and a labeled, snap-on lid protects the main power stud and triggers from contamination or accidental contact.

    Specifications:

    • Part Type: Relay Control Module
    • Channel Count: 2
    • Output Rating: 40A per independent channel
    • Supply Voltage: 7V to 20V
    • Fuse Type: Low-profile JCASE
    • Part Number: 7566-2

    Configurable for single-wire activation with either a ground (-) or 12V (+) input by removing the tie-bar; LED status indicators show which channel is triggered.

    FAQ

    What is the MSD 7566-2 used for?

    It's a 2-channel relay module for high-amperage circuits like aftermarket electric fuel pumps and electric cooling fans.

    What fuse does each relay use?

    Each 40A relay comes with a 40-amp JCASE fuse, though lower-amperage fuses can be substituted if needed.

    How is each channel activated?

    Each channel can be configured for single-wire activation using either a ground or 12V input by removing the tie-bar.

    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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