Also found the following, which reveals, among other information, that
Wagner went bankrupt in 1989:

http://www.jastram.com/service/wagner-engineering.htm

But there may be someone listed there who could answer your question.

"Tony Seaton" wrote in message
...
I have a Wagner MP640 Autopilot and am trying to interface with a Wagner
510-407 Digital Compass. Problem: the compass has a 12 pin connector and
the
CPU unit has a 7 pin connector. The manual says that these units work
together but makes no mention of an adaptor cable nor does it gives the
pin-out assignments so that one could be fabricated. Anyone have a Wagner
or
can offer help. Thanks

Tony Seaton