Aldon Amethyst ignition controller

Okay, first up the money shot, so you can see that it works, then I’ll circle back and set out how I got there  To set the scene, that’s my bog-standard 2.0 Pinto with an Aldon Amethyst unit (resting on the heater bowl) effectively inserted between the distributor and the coil, running a user-definable ignition advance curve…

Get to the point(s)

Now I know why my grandad used to say “I’m off to reset the points” every time he popped outside to light his pipe, (imagining, somehow, that my grandma wouldn’t notice the smell when he came back in ) … I’m having to fiddle with ’em as much as me old grandad  Rummaging around in the…