1. Check if the alternator drive belt is broken. If there is a break, replace the belt (see Accessory drive belt replacement).
2. If the belt is intact, check its tension (see Accessory drive belt replacement). If the belt is worn to the point where the automatic tensioner does not maintain proper tension, replace the belt (see Accessory drive belt replacement).
3. If even with normal belt tension, the warning light is still on, check the wires connected to «positive» battery terminal..
4.... to the starter..
5.... and to the generator. Wires can be broken, broken inside the insulation, or with oxidized or unreliable contacts. Repair the problem and start the engine. If the charging current appears, you can continue driving.
6. If the belt is tensioned normally, check if the fuses in the additional block, located next to the fuse and relay mounting block installed in the engine compartment, have burned out. If the fuses are burned out, replace them, start the engine and check if the low battery light goes out. If the lamp goes out, you can continue driving.
Attention! Do not install fuses with a higher rated current, as this may damage the electrical equipment and even cause a fire.
If, after the measures taken, the discharge lamp continues to burn when the engine is running, then the possible cause of the malfunction lies in the generator itself. There may be several reasons, and it is better to eliminate them in a car service or garage, and you can only hope that there is enough energy in the battery to get to them.
Note. In order to reduce current consumption when driving a car with a faulty generator, if possible, turn off the radio, unnecessary lighting devices, heater fan, heated windshield and tailgate glass, etc.
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