What does fuel pump circuit number 2 failed mean in simple terms?

I have a 1994 f150 mfi 4.9 automatic with rear single after axle gas tank. I did an eec-iv test & looked up the 3 digit code which was....fuel pump circuit number 2 failed. All fuses are new & good,all relays are new & good under the hood & under the dash. New fuel pump,sending unit &... show more I have a 1994 f150 mfi 4.9 automatic with rear single after axle gas tank.
I did an eec-iv test & looked up the 3 digit code which was....fuel pump circuit number 2 failed.

All fuses are new & good,all relays are new & good under the hood & under the dash.
New fuel pump,sending unit & float.New fuel filter.
I took the gas tank out & cleaned it thoroughly & filled the tank 1/2 way with shell gasoline.

Also complete tune up.The shut off switch under the passenger quarter panel is in good working order.
Could there B a wire problem or just a defective fuel pump,or something else?
I'm NOT spending one more penny till I find the problem.
If I knew what the problem was I can fix it,because I am a shade tree mechanic with a LOT of common sense.

How can I test the fuel pump using just a ground and the battery?If this would help.

God bless & thank U very much 4 your time & help
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