2003 Ford Mustang GT Q&A

2003 Ford Mustang GT Question: Why does the fuel pump fuse keep blowing on a 2003 mustang gt?

I have changed the fuel pump, the relay and the constant relay. Paid a mechanic to fix it but he could not. -
Answer 1
TO MUCH RESISTANCE IN CIRCUIT. CK FOR CORRISION ON PLUGS AND WIRING AND ANY OTHER CONNECTION -
Comment 1
It's not that; I've checked all wiring and plugs. Any other ideas? -