wagz4546

Morning, I am not a gear head hence why I am reaching out on this platform. Hopefully I explain this well enough. A couple weeks ago I started having issues with my truck not starting, Like zero power, I would turn key and nothing would come on the dash even. I would move some wires near the battery and the fuse box cover on top of the battery and I would get enough power to start. The other day, driving to the store I totally lost all power? I tested the battery and we were getting 12.9 volts Used the meter to check wires, read fine. Could it be a starter that's draining the power? Is my battery reading 12.9 volts but doesn't have enough cold cranking amps? The picture is the top of my battery, there are so many connections that's where my first thought goes but I am not sure! Any help would be appreciated!