17-08-2021, 12:32 PM
I use a 12 volt electronic Rev Counter in my Ulster, Ruairidh. Supplied by Willie McKenzie and not cheap but it looks the part which is important. I also have a cheap, modern, Durite electronic Rev Counter in my Trials car where looks aren't quite so important!! Both simply take a signal from the coil. Neither have the problem Richard reports above. However, if the cars are left in a damp atmosphere, say overnight at an event, and they pick up a bit of damp air (evidenced by moisture on the glass internally) it can play havoc with the car's ignition a problem simply solved in the interim by removing the plug from the rear of the unit. Only happened to me once at a very wet Prescott some years ago but it caused some head scratching until a friend told me how to solve it based on it happening to him.
Steve
Steve