The ECU-04 is a manual generator auto start control for auto start generator. The device uses standard two-wire signals from any Automatic Transfer Switch or any standard remote mounted ON / OFF switch to automatically initiate the generator's starting cycle. In case of generator starting failures, this device has maximum of 3 attempts of preheat and start with adjustable time from1 to 25 seconds interval. This module is composed of microprocessors to minimized dimension. Encapsulated in factory designed chassis to protect them from vibration and moisture.