Can anyone tell me or show me picture of the Squawk and Talk Sound board for EBD 1981 installed? I want to confirm that since I bought a new sound board and the old one has been out for so long that the pin connections are correct as the picture shows and nothing goes on the left side pin connections. ie the twp pin connector on the right side then nothing on the third pint and the long all the way to the left. This may seem elementary but I don't to blow anything on the new board. Also the new board doesn't have any pots but resistors installed where my old one had pots sound volume and speech volume. Why is this??