Rameez there is a guy in Kirullapone somewhere opposite seibel avenue who does a very good job on speedo meters i have got things done by him ,i think when u travel from nugegoda towards colombo its on the left side and you can see the board too
@ Dingy,you can buy the cable from Nilanka motors in dehwiela or Wellawatte,Pubudu in Galkissa or Hemantha motors in Maradana