Wait, I suddenly found something: there is nothing in GT6 that can directly display the signal strength of Redstone. I thought the Redstone selector cover was ok, but I found that in fact, unless it is pasted on the tileentity that needs to be selected such as battery box or USB switch as the receiving end, if it is pasted on the Redstone wire of gt6, it will not show the strength of the Redstone signal.
I remember you added a redstone display in GT4, and then you seem to forget it after GT5. Maybe you can add it back. In addition, I thought that the energy display cover might be OK, but I found that it can’t be attached to the Redstone wire at all.