Heavy Duty 4 Pin Relay Automotive Car Bike Boat Protection 40A 12V Heavy-Duty Performance Voltage Stabilization Versatile Applications Enhanced Automotive Systems Product Description: The Heavy Duty 4 Pin Relay is a robust automotive component designed to provide reliable protection and stable voltage regulation. With a 4-pin configuration and a capacity to handle up to 40 amperes of current at 12 volts, this relay is well-suited for a variety of applications in cars, bikes, boats, and other vehicles. One of its key features is its ability to stabilize voltage, effectively managing fluctuations to ensure a consistent and safe electrical supply. This makes it an ideal choice for use in various automotive systems, including car alarms, fog light wiring, headlight wiring, side.