If you're doing electrical work on your car, truck, or any 12V system, this waterproof relay is exactly what you need. Rated for 40AMP high switching capacity with 30AMP continuous current, this thing can handle some serious power. The 4-pin SPST design is super common for automotive applications like lights, fans, horns - you name it. What's really cool is the waterproof and dustproof connection between the harness and socket, thanks to the quality rubber ring that protects the internal connections from moisture and corrosion. The wiring harness is upgraded with 12/16 AWG wires - black for ground (Pin85), white for trigger (Pin86), yellow for VDC (Pin30), and red for output (Pin87). The pure copper tin-plated wires ensure good conductivity and stable performance, while the flame-retardant material makes it safe even at high temperatures. Installation is straightforward with the fixed metal holes, and the wiring diagram makes hookup simple. Whether you're replacing a faulty relay or adding new electrical components to your vehicle, this relay kit has the quality and specs to get the job done right.
Free 30-day returns 
Free 30-day returns
