The first generations of 2CV from the launch of the vehicle in October 1949 were equipped with a 6 volts electrical system. The models concerned are the 2CV with a 375 cm3 and 425 cm3 motorisation as well as the first Ami 6 and Dyane. The electric supply of these vehicles was then provided by a dynamo fixed on the crankshaft or on the inlet manifold for the very latest 425 cm3 motorised versions. From August 1965, the voltages of the electrical systems of these legendary Citroën gradually switched to 12 volts till February 1970 when the launch of the 2CV 4 and 6 closed the chapter of the 6 volt models. All these 12 volt vehicles thus have an alternator. Fixed on the inlet manifold, the latter converts the mechanical energy into electrical energy. It has a magnet whose rotation movement led by the fan pulley
, creates an electric current in the copper coil surrounding it, and thus powers the engine and its accessories (e.g. spark plug) with the electrical power required for the functioning of the vehicle when it is in operation. It also powers the battery
of the vehicle that will store power sufficiently to keep the electrical equipment of the vehicle powered when it is not moving and which will also produce the power required to start. Two 2CV alternator models are available in our range of spare parts: our best-seller model covered with polished metal and our chrome-plated model that has an even more qualitative external appearance. Under warranty for 24 months, their manufacturing is compliant in all respects with the quality charter required by the manufacturer and is carried out in compliance with the operation contracts signed by Citroën France and Méhari Club Cassis. These two models provide an electrical power of a max. intensity of 30 A and claim to provide the best value for money in the market. Please note that if you are replacing your 2CV alternator, it is strongly recommended to also change the belt. Otherwise, it will have to be replaced every 30,000 or 40,000 km. The 2CV alternators do not integrate the regulator in them like the modern vehicles, the latter (regulator on battery
and regulator on body) that allow cutting the power supply of the battery when it is charged to avoid any overload, are external. If you have problems starting or if your battery gets discharged quickly, you may have a defective alternator. Start by testing your battery with the engine switched off by connecting a voltmeter on the two terminals of the battery. If it indicates 12V (or 6V depending on the voltage of your automobile), it means that the battery is in good working condition. Then, repeat with the engine idling. If the voltmeter does not indicate a value around 13/14 V (or 7/8V), there definitely is a defect in the 2CV alternator. In terms of the 2CV starter, there too have been many successive models over the course of history depending on the voltage used by the vehicle. The 6V models were equipped with a mechanical pull rod starter. Even if the latter are not available for purchase or standard exchange in our range of new spare parts, our workshop can repair them and completely renovate them. All you need to do is contact our teams and send us your defective 6V starter. The small 12V Citroën were equipped with two generations of specific starters: first the model called “solenoid” model and then the electromagnetic model that was fitted in the large majority of the 2CV that were produced. The vehicle was started by the activation of a 9-teeth pinion that engaged the flywheel. These two 2CV starter models are directly fixed on the gearbox with two 7 screw and are connected to both the battery to be powered during the starting and the anti-theft contactor
mounted on the anti-theft steering lock in order to release the steering column. If your 2CV starter is defective and if you are awaiting repairs or replacement to be made by a mechanic or on your own, please note that it is always possible to start your 2CV using a crank
that directly engages the fan pulley. If you do not have this crank, it is also available on the car spare parts website.