Switch Wire Color Function Pin HAT Up Orange Trim up 1 HAT Down Black Trim Down 2 HAT Left Violet Trim Left 3 HAT Right Red Trim Right 4 Trigger Yellow PTT 5 Index Grey Autopilot 6 Fuel Display Left Brown Autopilot 7 Disconnect Right Blue N/A 8 HAT Common Green GND 15 GND White GND 14