Engine electrical equipment faults (Opel Astra H)

17. Reduced capacity or insufficient battery charge

1. The accessory drive belt is worn or damaged (in the so-called generator), or its tension adjustment is disrupted.

2. The electrolyte level is insufficient or the battery is very discharged.

3. The battery terminals are oxidized or the wire ends are loose

4. The generator does not provide the required charging current.

5. Break in the charging circuit wiring.

6. A short circuit to ground in the electrical wiring creates a constant leak of current generated by the battery.

7. There is an internal battery defect

18. The charging indicator lamp does not light when the key is turned to the "ON" position

1. The control lamp is out of order.

2. The generator is faulty.

3. There is a defect in the printed circuit board, wiring inside the instrument cluster unit, or lamp socket.

19. The charging indicator lamp does not go out when the engine is started

1. The drive belt tension is loose.

2. The voltage regulator and/or generator is damaged.

3. The generator brushes are worn out.

4. The wire between the generator and the voltage regulator is damaged.

5. The instrument cluster is faulty.

20. The charging indicator lamp does not go out when the key is turned to the "OFF" position

1. The diodes are broken.