Hey I was just driving my f150 earlier and when I went to cut the truck off it just stayed running. All the electricals shut off but the engine kept running. I forced it to turn off. And I took a battery terminal off and put it back on and the ignition act like it was working right. But when the truck wouldn't shut off and went to drive it home it popped and blew out a coil so I am confused of what has happened to the truck if anybody has encountered this please let me know