Well, test the battery by undoing the negative, leave 1h, see how much V
But yours being a 2003, more likely faulty DIM - search forums, Ebay repair service $150 battery HAS to be disconnected while removing it

Angusthethird wrote: ↑24 Mar 2020, 14:20 this happens after the car has been driven a few miles,flashes about 10 times and quits,only after it has been driven and warmed up.?? battery going bad?

If you have this problem after engine stay worm, I think issue can bu in the CEM also.