You need to disconnect the negative battery cable, reposition the positive battery cable insulating cover from over the positive terminal, rotate the lever lock counterclockwise to disconnect the positive battery cable, remove the positive battery cable terminal from the battery, the auxiliary bussed electrical center (BEC) cover and the underhood junction block cover, lift the junction block retainers from the locked position and rotate the retainers to the open position, remove the junction block, the positive battery cable nut from the mega fuse stud and the positive battery cable nut from the auxiliary BEC stud, disconnect the positive battery cable connector from the underhood BEC and remove the positive battery cable assembly from the vehicle.