MSD 7566-4 Four Channel Relay Module

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The MSD 7566-4 Four Channel Relay Module is a high-performance automotive relay designed to handle demanding electrical loads. Built by MSD, this four-channel relay module features independent 40A outputs suitable for high amperage applications such as electric fuel pumps and electric cooling fans. It includes a 40amp fuse with the option to install lower amperage fuses, ensuring flexible protection. The relay housing has a snap-in labeled lid that provides a clean, secure installation while safeguarding the main power stud and trigger connections from contamination or accidental contact. Key features include LED status indicators for quick channel activation identification, a wide supply voltage range of 7V to 20V to accommodate various applications, and configurable single-wire activation with either ground or 12V positive input. The low-profile JCASE fuses enhance durability and safety, making this relay module a reliable choice for high-performance automotive systems.

Designed for use in most automotive electrical systems, the MSD 7566-4 relay module is ideal for vehicles requiring high-current switching, such as street, track, or off-road builds. It is compatible with a broad range of vehicles where high amperage relays are needed, including those with electric fuel pumps and cooling fans. The module is suitable for installation in a variety of vehicle makes and models, providing a straightforward, plug-and-play upgrade or replacement. Its robust construction and versatile features make it suitable for daily driving, racing, or off-road applications, ensuring reliable operation under demanding conditions. The kit includes the relay unit with fuse and labeled lid, ready for integration into existing electrical systems.

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Founded in 2010, WheelFlip is a trusted retailer specializing in aftermarket wheels and performance parts.

What began as a modular wheel customization shop has grown into a leading supplier serving both retail customers and OEM partners. Today, WheelFlip is proud to be one of the largest stocking premium JDM wheel retailers in North America.

We offer an extensive selection of top-tier brands including RAYS (Volk Racing, Gram Lights, RAYS Offroad), BBS (including Motorsport), Yokohama Advan, Desmond, Mugen, Spoon, Nismo, and more.

Beyond wheels, we carry a wide range of performance parts—from RECARO seats to Spoon aero components—supporting enthusiasts at every level.

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