Howdy Ken, I have the basic PS engineering PM 501 (i suspect even more basic than your PM 1000) that I installed when I built the plane long ago. I looked up your PM 1000 and it looks very similar to my PM 501,and after looking at your wiring diagram (googled it) , you have the capability for a music input . Its any easy addition on pin 20 and 7 of the Sub -D ,back of intercom plug, 2 wires supplying a 1/8" female music jack that I placed next to my headset jacks. Then the bluetooth receiver plugs into this to provide the bluetooth capability thru the intercom. Hope this helps Bruce N199CL