At first the truck would only make a click click noise when we tried to start it. A friend came over and found one of the wires from the battery was not tight. He fixed it and he tried it seven or eight times and it started up each time right away. When we later tried to start it once again all it would do was click click. Now it won't even click it does nothing at all. When this first started happening it seemed to only happen after driving for about a half hour. When it got good and warm. it got to the point where we would leave it running where ever we went. Do you think it could be the starter? If every thing running to the battery is clean and snug what else could it be?