Electric car performed on a single circuit. The second conductive wires are part of the body, engine and other parts and devices ("mass"). With the "weight" connected to the negative terminal of the power source (battery and alternator) and the consumers. There is often a connection with a mass by a special wire.
By the part of consumers, power is supplied through the ignition switch
(vehicles with petrol engines), or switch devices and a starter (diesel cars). Passing switch connected to the power supply circuit side lights, courtesy light, luggage compartment lighting, alarm, beep, watches, cigarette lighter, radio, central door locking system and electric cooling fan motor.
Wire colors in the diagrams in this manual are indicated by letters: The first letter stands for the color of the wires, the second - the color of the strips on the wire. Wiring indicated by a dot. If there is no connection point at their intersection is not put. Cable colors are shown in Table. 8.1.