In the case of adding electrical components, taking out the power supply will be Orthodox from existing Fuse, but considering Risk in the right pair of handiness - - - - -.
Since I was riding in a car without Sub harness so far, I was biting Relay and connected directly to Battery.
Installation work takes only a few minutes. It is a convenient world that has become a world (Lol)
Capacity is 7. As it is 5 A, when trying to fully install the electrical equipment that I am scheduled,. For now, we plan to construct a separate circuit by Relay with this circuit as Trigger for Large electrical equipment with load capacity.