Connection providing control of drawing fuel from combustion engine tank into fuel system, particularly in a vehicle, depending on the authorisation of the user of the combustion equipment

Connection providing control of drawing fuel from the tank into the fuel system, particularly in a vehicle, based on the user authorisation, characterised in that it comprises at least two fuel tanks (7) equipped with external fuel supplies (4), a gauge (5) of the fuel level in the tank (7), where the discharges (71) from the tanks lead to at least three-way solenoid discharge valve (8) with a fuel outlet (81) connected to the fuel system (9), where the data outputs (51) from the gauges (5) are connected to the processing unit (2), which is equipped with at least two indication inputs (11) from the indicator (1) of the user identification code and where the display output (21) of the processing unit (2) is connected to the display unit (3) with a screen and the operating output (22) is connected to at least three-way solenoid discharge valve (8) or an electric circuit for ignition or immobilizer.