have modified
pcm wiring pinout for au1 falcon, it has two extra wires not yet established what they are for at pins 7 and 44. Colours for au1 that are different to au2 and 3 shown also.
had to split into 4 pics to upload, you can cut/paste them into one pic
tried to upload as one pic but to get the min file size ( 147kb) none of the
writing was readable.