I have a 97 5.9l 12 valve and drove in the driveway all was well .I shut the truck off and changed the oil,as I've done many times before. I finished filled with oil and went to start my truck and nothing just turns over. batteries are good. I haven't checked the fuel system or much else ,just seem stumped as to why it won't start,any advice and where to start to look would be greatly appreciated

 

Found the problem ,was the blue wire on the driver side battery had corroded right off ,I put a new end on it attached it and started it and fired right up