General information about electrical equipment (Peugeot 406)

The electrical system voltage is 12 volts negative ground. Power for the headlights and all elements of the electrical system is supplied from the battery, which is charged by the alternator.

This section contains procedures for the repair and maintenance of non-engine electrical components.

Warning! Before working on any of the vehicle's electrical components, disconnect the negative battery terminal to prevent a short circuit and/or fire during work.