The WM686 Heavy Current Start Relay is a robust automotive relay engineered to handle the demanding electrical requirements of modern vehicles. Rated at an impressive 120A and compatible with both 12V and 24V systems, this relay is built to deliver reliable high-current switching performance when you need it most. Whether you're working on a car, truck, or other heavy-duty vehicle, this relay is up to the task. The durable construction ensures consistent operation even under harsh under-hood conditions, including heat, vibration, and moisture exposure. A convenient mounting bracket with a pre-drilled hole allows for flexible and secure installation in a variety of vehicle setups. The clearly labeled terminal pins (30, 86, 85, 87) make wiring straightforward for both professional mechanics and experienced DIY enthusiasts. Ideal for use in starting circuits, battery isolators, winches, and other high-current automotive applications, the WM686 relay is a dependable component that delivers solid performance in demanding electrical environments.