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.
Td5 style on ebay
https://www.ebay.co.uk/itm/272533583799?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=GU6uVGxKQGm&sssrc=4429486&ssuid=c2QqfgeiSkC&var=&widget_ver=artemis&media=COPY
Or earlier style
https://www.ebay.co.uk/itm/275310625267?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=GU6uVGxKQGm&sssrc=4429486&ssuid=c2QqfgeiSkC&var=&widget_ver=artemis&media=COPY
Digits are 10mm high x 6mm wide to outer most edges
The complete 17 digit Including the BL circular icon at each end is approx 135mm end to end with 2 to 3mm between digits
Last transfer box I bought from Ashcroft, it came in a TNT transit box stillage, for return of old box I called Ashcroft & they arranged return labels & TNT to collect the stillage, I had to leave it accessible for a pallet trolley to move it from my path to the truck.