Spent a good part of the weekend playing with this. Got most of it wired up ok, signals, and other indicator lights no problem really. But I am having a few issues.
1st the Bonneville SE does not have a tach, I can wire directly up to the coil, but would assume there is a tach wire in the gauge cluster not being used that I can wire? or maybe not..
The other more serious problem is there seems to be a circuit in that stock speedo cluster that tells the ecu to fire or not to fire based on the test it runs when you first turn the key. Basically she will not fire at all with the Acewell hooked up. I have a feeling this may be related to the fuel pump or fuel level gauge which I have not been able to definitively identify. But have narrowed it down to the 5 wires in the picture. If I disconnected any of these, one at a time, she will not fire. Purple is power, black is ground, but what of the others, any idea what they are , and can any be by-passed or jumped to trigger the pump?