I've been trying to sort this out for a few months but I'm stumped. At first I thought someone siphoned my tank and the pump fried. So I replace the pump and still nothing. Since then ove replaced the fuel pump relay, and the inertia switch and still no power. Is there a ground somewhere that could have broke free? Any help is most welcome!
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Do you have any kind of test equip? A test light would be fine .

 

I have a cheap multimeter

 

Set your meter so you can safely read 12 volts.
Clip the black lead to a good clean ground and place the positive lead on any one of the leads connecting to the inertia switch. When you turn the key on do you see 12 volts for at least 1-2 seconds?
If the ECA and fuel pump relay are working, you should see that momentary 12 volts. What do you get?

 

No volts what so ever

 

I was looking at a diagram I saw that the yellow wire connects to the brown wire through the relay. I put a jumper wire I was using in red and yellow on accident and the pump kicked on. I was testing it with the relay attached from the bottom. Would that be the EEC?
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Failure of the computer is getting to be a common failure with the older Fords.The failure affects fuel delivery. Age is causing the electroytic capacitors there are three of them, to fail. A quick look on its pc board will reveal if that's the case. Replace all electrolytic capacitors or the entire ECA assembly if there are any bulged out or leaky components.

If you have two tanks, there should be a low pressure pump in each tank and a high pressure pump common to both tanks.

If that checks out, begin troubleshooting for a possible wiring issue going to the fuel pump(s).

 

If you do what raski suggested and still have the same problem, get back to us and we should be able to get to the cause, OK.?

 

I tried everything Raski said and it all looked fine. But I found the problem. And it's going to sound dumb. My coworker said to check the fusible link between the starter solenoid and the pump relay. So I checked it and what do you know a burned out fuse. So I just jumped the points and it's running until I can get a new one. Thank you for trying to help an electrically inept person out.

 

Please make sure you install the correct size fusible link.
They are distinguished by color and If it is blue , it is a 20 amp.
A little review, a fusible link will allow some over current before it opens. A fuse will open immediately should current exceed it's rating.
There is a reason that link opened so you might want to keep an eye on that circuit.

If the fuel pump for some reason was pulling more than normal current ,that could be one reason for the link opening.
Might be a good idea to measure the current the pump is pulling so you have some idea if it is becoming a problem.The easiest way is to use the connections at the inertia sw.You would require an amp meter placed in series with any one of the wires coming to or leaving the inertia sw.

If you cannot do this , consider having someone capable check that for you because it can happen again at an unexpected time.

Don't leave it jumped with ordinary wire because with no circuit protection , a good sized short circuit can cause a fire.