The following wiring diagram applies for XCOM Radio. Herein you will find detail diagram of the radio and also pinouts diagram of the component i.e. pin 1 Electret, Amplified Dynamic Pilot Mike, pin 2 Music Aux Audio Input, pin 3 Electret, Amplified Dynamic Co Pilot Mike, pin 4 Speaker Output – 4-8 Ohms, pin 5 Intercom ON ground to operate, pin 6 PTT Co Pilot, pin 7 PTT Pilot, pin 8 LED Backlight +12V, pin 9 Positive 12 Volts, etc. (Source XCOM Avionics)
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