You need to check that you are getting spark. You can get a spark tester or get a spark plug and put the wire on it and put the bottom metal tab on something that is grounded and have someone crack the engine over, you should see a spark multiple times. If you don't you need to start there. Also get a fuel pressure tester. Ford is easy because they have a pressure port on the fuel line, you will need the ford adapter. You said you already checked the interia switch but double check it. It's missing fuel or spark or compression. And I doubt it lost compression when it was running when you put in storage. Check and make sure you have power on the ignition coil.