2003 Excursion v10.
Have another thread where I finally chased my no start to a bad fuel pump.
History on this issue. Has been running and driving fine for a months. Filled it up went to work and drove it home. Next day crank, no start. Fires on starting fluid. Had 12ish volts at the inertia switch, figured its the fuel pump.

I have 12ish volts at the truck side pig tail at the fuel pump when I try to start it. I'm actually using the remote starter while I'm at the fuel pump. I had to cut a hole in the floor to get to it as its parked on a dirt incline and the tank is almost full, so I wasn't dropping the tank. First fuel pump was bad out of the box. Second one seems to work. It doesn't have a loud whir sound but if I take the feed hose off and turn the key to run, it does spurt some fuel out. I don't know if its supposed run continuously or not. Didn't want to keep cranking with the hose off. I'm by myself working on this. It will run on starting fluid as long as I keep misting it into the throttle body. As soon as I stop it shuts down.

I'm stuck with trying to figure this out as it seems like it has everything it needs to run.

TIA

Also it is Cali emissions which seems to add a pressure sensor to the fuel pump assembly.

 

My daughter was actually home long enough to crank it over while I put my meter on it. Had 10-12 volts while cranking at the pigtail for the fuel pump.

Took the feed line (larger hose ) off while cranking. NO fuel came out.

Can't hear anything with this F-ing wind that seems to come anytime I have a chance to look at it.

 

More info.
Took the original pump that I thought failed, jumped battery power to the fuel pump assembly pigtail and it ran. It will not run when plugged into the truck side fuel pump pigtail.

 

Solved.

Apparently I did not check things correctly. I assUmed as long as I was getting voltage from the positive and negative sides of the pigtail it was good. I dropped something thru the hole I cut in the floor and found a ground wire that had rusted off. Cleaned a spot on the frame and attached the wire. Started right up.

I had started wiring an external fuel pump relay in as per R&T Babich, but couldn't find the LB/OG grounding wire. Will keep looking for it as something always fails.