Hello Bill,
Here is the wiring for an Astatic D-104 to a Kenwood TS-520
Kenwood
model(s) wire color pin number
ts-520 white 1
shield 4
yellow n/c
blue 3
red 2
black n/c
Complete Astatic mic wiring table at http://www.astatic.com/cb/index.htm
Charles Johnston
AB7SL - Ham Radio Pages
www.ab7sl.com