Need help Please !!!

Ford Mustang 2007 4.0 SOHC automatic 167895 km
I have a 2007 mustang 4.0 with issues, i have tried everything i know i am at a loss at this point... PLEASE HELP.
Went to work and went to store before home and battery was dead had to be jumped, on the way home my gauges went haywire and car switched off and on while i was driving. It died on me just as i pulled in to yard. Checked fuses GOOD changed Battery GOOD.
Changed Alternator GOOD
Went to work next day it died on me on my way there. Jumped it off got it home now it wont crank at all. I have an odo dte fuel level error and odo fei dte error and check charging system. I bought this car used no manual but i know some relays / fuses may be missing but the car ran fine i have had it 2 years no issues til now... A fuel pump will set me back 400 dollars before i make that leap i would like some real knowledge.
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Mustang emergency da Stati Uniti 4 anni fa  
MU
13 segnalazioni 
2008 Bullitt da Stati Uniti 4 anni fa
I was told to change the PCM doide fuse
BOOG MYK da Stati Uniti 4 anni fa
Check all your ground wires, especially the one to the starter stud bolt.
2014 5.0 da Stati Uniti 3 anni fa
Did you figure out the issue??
Jimmy da Stati Uniti 2 anni fa
Did the PCM diode fuse fix the problem
Kman da Stati Uniti un anno fa
How did you fix the issue
Antdawg da Stati Uniti un anno fa
Could be sjb inside fuse box, common problem fir these mustangs water/ moisture damage
1FSTSHELBY da Stati Uniti un anno fa
This seems like a bad ground or something in alt to battery wiring. Have seen this with a over charging issue after someone doing a big 3 wiring upgrade and didn't have it done correctly. When car over charges it will go nuts all lights go out while driving everything stops working electronically in car but car would stay running. I'd look at the wiring as starting point.
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