in an electric set - point transmitter for automotive vehicles , particularly for gas - pedal systems , having an actuating element and a resistance element which is connected to the actuating element , there is provided within the electric set - point transmitter which forms a structural unit , an electric circuit which comprises an impedance transformer and possibly a stabilization circuit and threshold switch . the resistance element is preferably a conductive - plastic potentiometer , whereby good reliability and the possibility of use at high temperatures are obtained .