Vehicle electrical energy and power supply control system of network function units

The system has a power supply line (4) through which operational units (1) of an electrical network of a motor vehicle is connected to an energy storing battery (5). The line has switch forming units (15) connected in parallel by a resistor (16). The units (15) are driven to open or close when a steering column assembly latch bolt mechanism (6) is in locking or unlocking position, respectively.