Automotive Relay Harness Kit, 12V 40A 4-Pin SPST, Color-Coded Wires for Car Truck Motorcycle (2pcs)

This professional-grade automotive relay harness kit features a robust 12V 40A SPST relay with pre-wired color-coded connections for hassle-free installation. The high-current capacity makes it ideal for powering various vehicle electrical components in cars, trucks, motorcycles, and marine applications. The complete kit includes a sturdy 4-pin relay socket with clearly labeled wires that eliminate guesswork during setup. Built to withstand demanding automotive environments, the compact relay features durable construction and reliable switching performance. The pre-assembled harness saves valuable installation time while ensuring proper connections. Perfect for both DIY enthusiasts and professional mechanics, this versatile relay kit provides dependable operation for automotive lighting systems, horns, fans, and other auxiliary electrical components. The standardized design ensures broad compatibility across different vehicle makes and models.

• HIGH CAPACITY: 40-amp relay with 12V DC rating provides reliable switching for automotive electrical accessories and components
• UNIVERSAL COMPATIBILITY: 4-pin SPST design works with cars, trucks, vans, motorcycles, boats, and other 12V vehicle applications
• PRE-WIRED HARNESS: Color-coded wire leads make installation straightforward and help prevent incorrect connections
• DURABLE CONSTRUCTION: Robust plastic housing and secure mounting bracket ensure reliable performance in demanding automotive environments
• COMPACT DESIGN: Space-saving form factor allows for easy installation in tight engine compartments while maintaining full functionality