Get a digital multimeter. Place the black wire to ground, and place the red one at the electrical output on the alternator. You should be getting about 14 volts at high idle.
Drive the car to your local auto parts store and they will test the charging system to determine what the problem is, at no cost.
You will need to go to a repair shop and have them test the charging system.
Generally this is caused by something failing in the charging system. Test your battery and alternator.
Drive the vehicle to your local auto parts store and they will test your charging system at no cost.
new alternator not charging the battery
If you question the condition of your alternator, drive to your local auto parts store and they will test the charging system for you at no cost.
Yes, as long as the charging system is is good working order.
If your car lights are getting brighter and dimmer its probably do to inconsistent charging from your alternator or your alternator is insufficiently charging. To test this start your vehicle and test the voltage across your battery terminals ( pos test lead to pos battery terminal ) it should be approximately 14 volts if your vehicle is a 12 volt system.
It might be that you need to replace the spark plug. It may be that the charging system is not working. Charge the battery and drive the vehicle to your local auto parts store and they will test the charging system for you at no cost. It may be the alternator is at fault.
The warning light comes on because the charging system is failing. Have your local auto parts store test the charging system to determine the cause. They will perform the test at no cost.
charging system not charging battery with new batttery, alternator and fuel pump. what will make that happen ?
No. The engine has to be running for the charging system to operate.