willaims outside temp gauge

The digi outdoor temp gauge on me williams clio has decided to go very very faint ( can only just see it now and again ), any ideas if this is an easy fix or not? Ta Jez

it was very sudden, it came back on for a bit but now has been faint for about a month or so

Mr Jenks said:

The bulbs gone mate,theres a 1.2w capless bulb in the back of it >> Edited by Mr Jenks on Sunday 26th February 17:37

lol is that it?? not a dash off job to fit it is it? Thanks by the way