Hi got a 406 1.9 dt on a 96 plate . its just starting a intermitant fault ware the engine starts but runs rought, the engine tell tale light is dimly lit, the rpm stays at zero when running and the glow plug relay dos?nt come on at the start. Seems like an elec fault ie bad connection someware but unable to trace fault . unable to use diagnostic computer due to keypad not working correctly so was diconnected....any help welcome please, been on the fault now for 4 days. :(