I sent my Td5 speedo to digidash along with a photo of the original speedo mileage reading, he put my Td5 speedo to the same & sent it back within 7 days
Talk to Autosparks, they make looms for 90,110, you will need your chassis number, the looms are in sections, Engine, main/dash, chassis loom, it's not a 1 piece loom
Remove the column surrounds & examine the connection face of the left stalk, the wires use a pin & tube type connection these maybe loose or disconnected.