D3 Main Relay opens too early / too late - main relay shut off too early (before EEPROM update) - P0685 ECM/PCM Power Relay Control Circuit /Open
Main Relay opens too early / too late - main relay shut off too early (before EEPROM update) - P0685 ECM/PCM Power Relay Control Circuit /Open
One sign to move on is intensive Waterloo Boy engine work, such as needing new pistons and injectors. If you hear loud clunking sounds from the engine, it could be due to the starter hitting the flywheel or a piston piercing the engine block, which can indicate a seized engine. Farmers encountering these problems have coined the saying: If your engine is knockin you better be shoppin.