To connect the Gate arm LED light to control board you need to do next:

1. Connect red wire from LED light to LUC(+)

2. Connect black wire from LED light to COM(+)

Connectors are marked on picture with red circle:

You can find a photo of connectors for LED Lights on the following link: https://file.parklio.co/file/kq831d6601c15c04045ee9548c2713376ae6a.