REALLY PULLING WAT HAIR I GOT LEFT OUT

right still avin this fuel problem .. as seen in big block forum .. now i think it maybe elects as when i turn the key on no buzz from the pump but when i take it out and connect to a bat it spins up fine .. so i need to find out wat fuse it is and wat relay it is and if theres any other reason it would not spin the pump up   PLEASE HELP !!!!!!!!!!

you need a dc meter set to read 12v and check power to pump itself with the ignition on, if nothing check fuse and relay do a search, as there are piccys on here that cover the fuse and relay locations.