I have a chevy 350 engine with a turbo 350 tranny. I came home one day, turned it off, went out later to start and move it and it wouldn't turn over! It clicks but won't turn over or fire. There was no indication that something was wrong prior to turning it off. The battery is fine (fully charged), we've tested the starter, it is good too.

Anyone have any suggestions of where to look next?

We're lost for ideas..........