If you want to convert your 2001 Ford Focus to become electric vehicle, this wiring diagram is good start to understand it. This Ford Focus wiring diagram will allow you to create EV (electrical vehicle) by creates a control circuit that allows the electrical system to turn on and operate safely, even if faults occur in one or more components. And also want a vehicle that can be driven by other drivers without knowledge specific to an electric vehicle. Uswe the wiring that previously provided 12V to the fuel pump relay as the power source when the key is turned on. This circuit already has appropriate fuses and the initeria switch to remove power in the event of an accident. here full electric fuel 2001 Ford Focus wiring diagram and EV wiring diagram key Ford Focus. More information can be reached here.