When making the connection to the battery for a dedicated power line for some aftermarket amplifiers in my P100D I noticed some sort of connection coming off the positive terminal that appeared kind of like a heat sink in appearance (don't think that is what it was) that was flat to the batter and then had a 90 degree turn over the edge and had a cable connection. This as a nice bolted connection directly on top where I made my amp cable connection. Any idea what that is for and is there a problem with making my amp connection at that point? I have not connected any load to it, but though I would ask as after the face it kind of bugged me what that was for and if there was any internal fusing or otherwise...