Electrical Relays is auto ECU engine and electronic circuit part, Electrical Relays in general are used to enable a low amperage circuit to switch on or off a higher amperage circuit, like turning on your headlights. Electrical Relays are also used to switch multiple things at the same time using one output. A single output connected to multiple relays will allow you to open continuity and/or close continuity simultaneously. Electrical Relays is displaceable parts on auto module controller board, Electrical Relays is usually used on auto ECU computer driver electronic board and ECU Integrated Circuit board. Electrical Relays can repair car ECU Board
