Originally Posted by
Red_bull
My lay out is following. The -VE coil 1 and 2 are connected to the megasquirt and as well to the diodes as above. The wire that says to tach goes to the green wire on the blue connector of the dials and to the middle pin of the fuel relais.
Why is it connected to the fuel relay? Disconnect that and try again.
Also, have you got the diodes the correct way round?
I run that circuit on mine an it works fine. Connect the two -ve to each side of the coil and the "to tach" to the green wire only.
Lee
