In some cases, multiple colors of fuses may need to be used. Knowing the wiring diagram and safety precautions can help ensure the device is installed correctly and safely. It is often used to ensure battery systems are installed correctly and with longevity in mind, while also providing an easy way to know what each device is connected to.
A single diagram may contain multiple isolated systems and power sources. “Cole Hersee Isolator Wiring Diagram”

