iDISARM DEVICE POWER:

Small RED wire:      connect to 12v / + positive battery terminal

Small BLACK wire:  connect to ground / - negative battery terminal

RELAY SIDE (control something e.g: fuel pump, ignition, starter, headlights, LED lights...)

- NO  (normally open/disconnected port)  connects to COM port when bluetooth is connected 

        (used to turn something ON when bluetooth connects)