Removed the avionics mounting hardware. Installed the backplate on the tray for the PMA6000B. Installed and secured the wiring harness. Installed the tray / avionics cage in the airplane. Installed the PMA6000B. Powered on the aircraft, and activated the avionics master. PMA6000B came to life, hooked up 2 headsets and tested intercom, and iso circuit. Everything is working fine.
