Hi all.  I have a 2005 1.0L Yaris Colour Collection.  The instrument cluster has developed a fault where the rev counter and speedo digits are missing entirely.  The only rev counter lights showing are the two red LCDs at the top of the rev range.  All other indicator lights are working, as are the odometer and fuel gauge.  I've taken the whole thing apart and there's nothing visibly wrong. I've also wiggled all the ribbon connectors and wires because when I reversed it into my drive last night,