I started my jeep in the garage. It started fine. I pulled it out and moved it to air my tires up, then nothing. I couldn't even get a noise out of it. The dash lights wouldn't come on. I put a charger on it and tried to start it, still nothing. After a short charge, I would turn the ignition and hear the fuel pump go on, but still wouldn't start. I touched a wire from the battery to the starter and the jeep tried to start. It turned over, but would not start. I tried to start it with the ignition again, but this time, no fuel pump. The fuel pump wouldn't go on. I pulled the fuel pump relay and replaced it. Same problem. I jumped the relay by connecting wire and could make the fuel pump go on manually. I could even make the ignition click. With those jumped, I could then start the jeep. But, when I turn the key off, it stays running. I have to pull the relay jumper wires to kill the motor. I hear that there are tests to run to diagnose whether it is a broken wire or a bad PCM.
Has anyone had this issue? Could a bad battery cause these symptoms?
Any help would be appreciated.