If a perfectly serviceable battery suddenly became «lethargic», then most often some «silent» the consumer sucks his «juice». Carry out a voltage test. Surround this anonymous consumer, if necessary.
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PROCEDURE |
- Disconnect the negative battery cable, connect the multimeter wire between the negative pole and the battery cable. If the device shows the presence of current, it comes from a defective consumer.
- Connect the ground wire, open the fuse box and remove one fuse. If there is no current, the corresponding circuit is OK. A weak current is also not an alarm, devices such as an on-board computer, clock, radio and emergency systems are constantly under «eye» battery. Their current consumption is, of course, much less than that of a defective consumer.
- Repeat measurements using the fuse box until the multimeter indicates a high current. According to the fuse table (see Fuse and relay layout) see which consumers «sitting» on this electrical circuit.
- Disconnect the appropriate consumers in series and measure the voltage. When the multimeter does not show voltage, it will become clear which consumer is engaged «theft».
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