Thanks for this info.

I had the same response from Martin at RT UK. The x3 give an aprox figure, ok as a start but was expecting the DL1/Dash1 to be more accurate than my OEM Tacho.

Tricky

This also worked ok for me.

Richard

RT Support, Yes you are correct. The Dash1 appears to show 1/3 of actual revs. I tried moving the I/P wire to the "Spark in" and there was no change i.e indicated RPM was about 1/3 of actual. Also tried grounding the "Spark GRND" and this gave spurious readings in the 1.000s Then tried adjusting the...

Installed my new DL1/Dash1 today but I can not get the RPM I/P to work using DL1 5v Tacho I/P. ROVER K series with MEMS 3. I have spliced into the tacho wire which with no load shows 3.xx Volts at idle, so I believe this is a 5V O/P. RPM reads Aprox. 275 and when the revs are increased the Dash1 see...