Your thoughts on why I have a pulsating ignition light on my Series 2

[Michael_Frank]

Apparently AGM doesn’t always play nicely with the 4TR . The unfortunate “what I did to my E-Type” thread buries lot of good information, so here’s a direct link to the relevant post:

What did you do to your E-Type today? (Part 1)

Never say die. Today was the 2.0 version of fixing the ignition light flutter… I thought I had it fixed with a new SNG solid state version, but a long drive proved me wrong as it flickered all the way home, stopped from time to time, and started again. It wasn’t lost on me that the battery was fully charged, voltage was correct and that when the cooling fans kicked in the flickering stopped. Putting that together with the fact that I had a new AGM D35 battery in the car, I put my two trace osci…