D3 Main Relay opens too early / too late - main relay shut off too late - P0687 ECM/PCM Power Relay Control Circuit High
Main Relay opens too early / too late - main relay shut off too late - P0687 ECM/PCM Power Relay Control Circuit High
3-point Hitch Fails To Lift,Low oil level.Worn hydraulic pump.Rate of drop valve closed.Excessive load on hitch.Hydraulic oil too cold.Hydraulic oil suction filter plugged.