MGL Avionics User Forum

Thanks, you have been very helpful!

Thank you! I have yet to get a answer from MGL support on this issue.
Would the 220omh resistor be run in series to the EMs-2 on the blue wire or branch off to ground to reduce the noise?

I have a EMS-2 installed on my experimental and may be getting a error in reading high rpms. I think the lower rpms between 1500-4500 are ok but anything much higher seems to be inaccurate. I understand the output voltage on the Hirth F-23 at higher rpms may get to nearly 60 volts, is it possible th...