Don’t let the Mosfets and IC’s blind you to what this piece of crap really is. I have opened and dissected almost all of the EESS/PCB brands. Ametek, Prestolite, SSI, Nartron. Nartron EESS, KDS Green, KDS, KDS EESS...
It is a glow plug timer, that then switches over to allow current to flow to...