Its possible more than once cell failed dropping the voltage so low not even an interior light turns on. How old is it? In Texas its tough to get more than 3 years out of a battery with all the heat. But try checking main fuses along with a charge to battery and see what ya' get. Luck. :cowboy:
If it's not one thing it's the other :frusty: I was just going to start the truck and as soon as I turned the key all power left and now it won't click or nothing. Plus no lights in the dashboard or nothing. Did my battery die?