I have recently been told that while im driving at night with the lights on and indicating to go left, the left rear indicater and rear light flashes alternatively. I have been told that there is a little electrical box some where in the boot and one of the wires has come loose but i cant seem to find it so im just wondering if it is a loose wire where abouts is this electical box?(if there is one). If its not this what else could it be? please help