2
votes
1answer
202 views

Need help with identifying diodes in a 1970s automotive circuit

I have an old ignition module from a 1978 W116 model Mercedes-Benz, and I'm trying to "reverse engineer" it. The original circuit diagram is not available to mere mortals, so I have made one based on ...
0
votes
1answer
204 views

Help Identifying this Circuit board

The question is straightforward! I have searched the internet on basically everything written on this board and I can not find it. Anyone who could help me with that, or help me with using it would be ...