This is my 3rd pump to put in it I'm getting 12v while cranking pump lasts about 1hour I know it's electrical but can't find problemhave you check the wiring/relay? what's the condition inside of the tank and the fuel lines (debris, blockage)?
that's very unusual
Checked all that they are all OK has me baffekedCheck the fuses and relays to make sure they are the correct rating
Where is the relay and fuse for the pump? Relay was never touchedCheck the fuses and relays to make sure they are the correct rating