I have a 19 F250 6.2L. Last week on my way home from work i noticed the airbag light was on, which I thought was odd. I also think i saw the dash lights go out but not 100% certain because i was watching traffic. I stop at a red light and the truck just shuts off. No sputtering, no nothing, just a window that popped up that said See Manual (real informative Ford). Nothing worked not even the windows. The only thing that worked was the radio. Now Aaron Tippin may have been happy, but I wasn't. Turned the key nothing. Long story short some kind Samaritan stopped and pulled me into the Walmart parking lot. I look at the fuses and didn't see anything crazy. I pulled the run-start relay and heard a click.....click....click. So i put the relay back and went to see if the Truck would start and it did, BUT the powertrain light was on. So I turned off the truck and restarted it and the light was gone. Then I drove it home no issues.

A few days later it happened again, airbag light was on, the very informative "see manual" screen, and eventually truck wouldn't start. I pulled the same run-start relay heard the clicks, replaced relay, and fired it up.

So any ideas on where the gremlin is? Do I replace the relay? Is it a battery issue? Let me know.

Thanks in Advance!