So I haven't driven my truck in a few weeks due to no insurance and I wanted to give it a little drive today. I go to start it and wham, nothing. I have power when I turn the key but when I actually turn the key over to start the truck, I hear a click from the starter and then all power shuts off. I have no power to anything whatsoever. Now when I changed out the water pump about a month or two ago, I was an idiot and not to mention inexperienced, but I had set my wrench down on the battery and it connected with the battery terminals. Sparks flew and it actually welded onto the terminals. Once I kicked it off and hooked everything back up it did what its doing now (click and no power). I had simply unhooked the battery for a few and hooked it back up. It started! It's done this once or twice again since but this time no matter how many times I disconnect the battery, it will not turn over and start. I'm thinking I might have blown a fuse maybe? or did the battery get shot? I don't know. All my knowledge comes from YouTube and you guys so any help is greatly needed and appreciated. Suggestions are welcome!