Meet the Connector: ECU Connectors ECU Connectors, also called PCM connectors, are used to connect different types of controllers, particularly in vehicle applications. An electronic control unit (ECU) or electronic control module (ECM) is an embedded system that controls one or more of the electrical systems or subsystems in a car or other vehicle. One side of the connector interfaces with the ECU (or … Continue reading What are ECU Connectors?