Definition of a faulty consumer

If a healthy battery suddenly does not supply current, then this may mean that some consumer in the on-board network has completely discharged the battery.

Search for a faulty consumer as follows:

- disconnect the negative wire from the battery, connect the wire of the multimeter between the negative terminal and the battery wire. If the device shows current, then there is a faulty consumer;

- connect the wire to ground, open the fuse box and pull out one fuse;

- connect a multimeter to the contacts, if there is no current, then the corresponding electrical circuit is in order. Weak current is also not yet a cause for concern, since devices such as clocks, radios or alarm systems constantly draw energy from the battery, while the current strength is much less than the needs of a faulty consumer;

- repeat the measurement process until the device shows a high current. Determine from the fuse table which consumers are connected to this electrical circuit;

- sequentially remove consumers and measure the current. If the multimeter shows no current, a faulty consumer has been detected.