2000 Chevy Cavalier

Hi all I was going down the road at around 60 mph and then my car went dead. Nothing happened when it went dead. No skipping or anything it just died. I had to have it towed home. It will not crank. I have had no problems out of this car. The battery has been tested and is fine. Nothing obvious turns up while looking under the hood. No bad hoses, no drips of any kind. Can anyone help? My husband says the fuses under the steering wheel all seem to be fine also. He isn’t a mechanic but he knows a few things and I do mean few. I really don’t have the money to have it towed to a shop and have it repaired. If anyone has any idea please let me know.