Thanks.

As I said, I've found at least three (3) splices in the mic wire and, where
the mic wire connects to the Microair supplied harness behind the panel, the
connections are made with crimps. I'm in the process of replacing all of
that with new shielded mic wire.

I'm the duty tow pilot today but, since there's nothing on the schedule,
I'll be working on my glider. Maybe I'll get lucky.


"Martin" wrote in message
...
I'd suspect the wiring before the radio's internals. I just repaired this
very problem on my identical radio this weekend. It was one broken wire
(mike audio ground) and one frayed wire (mike audio signal). Look for bad
crimps or solder joints all the way to the back of the radio.