i was pulling in to my driveway the other day and my truck died and hasn't restarted since i've replaced both fuel pump and eec relays and found i have no spark from my coil and i've checked the coil with a known good coil does anyone have any ideas what it could be?

 

Does the fuel pump(s) run for one second each time you turn on the key?
Have you unplugged the EEC Computer to see if spark returned?
If no spark with it unplugged maybe either the ICM (TIF) or the PIP sensor may be bad.
Have you checked for codes?

 

Both the low pressure pump in the tank and high pressure pump run for one second after i turn the key each time and i have not unplugged the EEC computer