Scania Rev Counter

Been having trouble with my rev counter for a while on my R470,Its now more or less packed up altogether does anyone know if you can get them repaired ? I spoke to a driver a few months ago in passing who tells me there is a firm up north that refurbs/exchange,s them, I,ve had a google but with no luck. Any ideas.Thanks

here you are,
www.allianceelectronics.co.uk Holbrook Sheffield 01142477041
moose

Moose:
here you are,
allianceelectronics.co.uk Holbrook Sheffield 01142477041
moose

Thanks I,ll give them a call tomorrow.

Check connection to the alternator,rev counter pulse is fed off the back of it