Thanks for that suggestion Pete. I'm holding off pulling the cluster for a few reasons. The main one being it seems odd to me that both Tacho & Speedo go out together while minor dials continue to work. Then every now and then, speedo and tach come back and work normally. They go out together and come back together. So its an intermittent fault affecting both big dials but not the little ones. Those big dials must have either a common earth or a common power supply. But whichever, it must be different to the earth/power supply to minor instruments. I'm not very electro-literate so I'm h