Modular dies at idle ????

[72 Super]

My truck (350 with HEI) will stall randomly sitting at idle at a stop light. It will start right back up. It doesn't do it every time. If the modular is going out would it just stall at idle or would possibly lose power while driving as well?

I've heard the issues of the modular getting it and the engine not starting until it cools off but mine will start right back up.

Thanks,
Ray