Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!
445 Deere with the fuel injected engine? You are on the right track, if the pump has voltage, then the pump has failed. No voltage, then problem with signal to pump from computer.
I see question is till open, did you find fuel pump bad or the relay?