The official manual contains . Without this, your shop cannot sign off a 337 form.
The primary interface is the . For 14V aircraft, you must jumper Pins 8 and 10 . Wiring Note 1 & 2 +14/28V Power Input Use 18 AWG Red wire 3 & 4 Airframe Ground Use 18 AWG Black wire 5 Low Level Audio 20 AWG Green; used for audio panels 6 Headphone Audio 20 AWG Blue; 50 mW into 300 ohms 11 Mike Audio 20 AWG Brown 12 Intercom Key 20 AWG Yellow; grounds to activate 13 Mike/Phone Ground 20 AWG Black 3. Antenna Connections narco escort ii installation manual full
Typically reserved for external VOR/LOC needle outputs if connecting to an external CDI. The official manual contains