I have the following Cessna Avionics for sell that was removed from my 1977 182 recently. All were in good working order when removed and I can provide photograph to anyone that is interested.
Cessna 300 Audio Panel with tray
Cessna 300 ADF with tray,indicator and wiring harness
Cessna 300 3 Light Marker Beacon with with wiring harness
PS Engineering 1000 intercom for panel mounting
Please e mail if you have any interest.
Danny

Dan,
I still have the ADF and indicator.I can send a photo if you would like to see the unit.
Danny

James,
I have every thing except the transponder. Send me your email address to the one listed above and I will send you photes.
Danny

Is the Audio Panel 12volts.and can it be used on a 172M 1976.