Have Ford Questions? Ask a Mechanic for Answers ASAP
The most common cause of this fuse blowing is a shorted fuel heater, the heater element is located in the bottom of the fuel filter housing. You can confirm this by disconnecting the fuel heater and replacing the fuse, it it doesn't blow, the heater element is shorted. The connector is at the back of the fuel filter housing, it has 2 wires, red/light green and grey/red.