Running out of options frown
It's not the relay (I rotated them all). It's not the clutch switch (it's a pressure switch in the hydraulic line & it works every time ).
I guess it must be something to do with the immobiliser. Oh well, over to the dealer tomorrow...
Ian


3.7 Roadster
4" Ruston Procter SD Tractor
1905 Merryweather steam fire engine