Thanks, Gary! That did the trick! Bill WA3RA EI4VSH > 3. Re: IC-230 Mic pinout (Gary Fiber) > >>Pin 1 Mic audio >>Pin 2 PTT >>Pin 3 Ground >> >>I grabbed a schematic from mods dk funny its an Icom America schematic >> >>Gary K8IZ > > Gary Fiber K8IZ > GROL PG-19-6691 >