Cardone 78-8534F Ford Computer Vehicle Type: Cardone 78-8534F Remanufactured Ford Computer Fitment: 2003-2004/Ford/Expedition//::Vehicle specific Flash programming reqd ON or OFF the vehicle.Accurate VIN and mileage are reqd. Additional vehicle specific on-car programming must be performed AFTER installation to prevent drivability and starting issues.; with Module # HPC-313