[lpickett]

Battery leads will eventually loosen with the constant vibrations of playing the game. We do not use heat shrink so we can retighten the connections. You just need to have a system to check these on a periodic time frame. Just use black and red electrical tape to cover the terminal and bolts to protect from accidental sparking. You can also use nylock nuts. These are the ones with the plastic lining inside that grips and stays tight longer. The heat shring should only be used on the ends of your wire and lug terminal. We solder our connectors and crimp to ensure a good connection, then we use black and red heat shrink found at the local automotive supply store to cover the connection and make for a neater looking cable.