89 Ford F-150 Not Starting

I have an 89 Ford F-150 with the 4.9l 300 l6 and my truck sat for about a week while I was on vacation. When I returned the truck will turn over but not start. I’m pretty sure the problem is electrical due to no voltage at the pumps or injectors with the key on. I thought it might lie with the relays so I have been trying to check them. Replacements are 5 prong but connector only has 4 wires so I ordered two 4 prong relays one for the EEC and one for the FP tried this twice but no luck. The EEC relay is original 4 prong not sure about the FP relay was replaced before I got the truck. I’ve checked everything I can think of that could cause a power issue but no luck their either. Both relays have a hot wire from battery. EEC also has a 12 volt with key wire but only puts out 2.7 or so on the high side of the relay running to the fuel pump relay. Any ideas?