How to test your alternator: TROUBLESHOOTING

How to test your alternator: TROUBLESHOOTING


 If your dynamo is broken and does not work at all, you will soon find out from very simple laws of physics. The battery will then be completely discharged within a short period of time and this part will then no longer be able to supply power for important elements and devices within the system of your car. And as technology advances, these are of course more and more important parts of vehicles. After all, the battery is recharged again and again with the help of the dynamo. This discharge of the battery can come much faster than you would think at first glance, because just to start the car, the starter motor usesreally a considerable amount of power. If you then also have a number of electronic and therefore power-consuming devices switched on while driving, the battery will run out quickly and the chance that you can start your car even more often becomes smaller and smaller. But even a working alternator with certain defects and defects can cause problems in the long run. For that reason, it is very important to inspect this part in time and to solve any problems in time.


WHAT YOU NEED TO CHECK YOUR CAR'S ALTERNATOR

The best way to test your car's alternator is with a simple voltmeter. You can of course also use a multimeter for this purpose, which also has the option of measuring the voltage of electronic devices.

Before you measure the voltage on the alternator, it is important to make sure that the battery is working properly and is not completely discharged. It is certainly the case that the alternator recharges although again during its operation, the battery, yet it is the reverse also true that the battery alternator anyway triggers. For that simple reason, it may happen that when you measure the alternator you might think that the alternator is defective, when in fact it is the battery that is defective. So start with the battery first. You can also test it with the voltmeter or multimeter.
What you need to check your car's alternator

You can test the battery by opening the hood with the engine off. Then connect the measuring device (the voltage meter or the multimeter) to the battery. This is done by connecting the red colored end to the battery terminal with the red color and the black colored end to the black terminal of the battery. Make sure that you do not touch the battery directly yourself. The value indicated by the device during the measurement must be above 12.2 V. In that case, the battery has enough voltage to switch on the alternator.

HOW DO YOU KNOW IF YOUR CAR'S ALTERNATOR IS BROKEN?

battery indicator light

If the battery indicator light on the dashboard is on, it could mean that your car's alternator is broken. This light always lights up briefly after starting the engine, but should then go out on its own. If it continues to burn, there may be something wrong with the alternator, parts of the drive, but also the battery. There is no separate dynamo lamp.

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THIS IS HOW YOU CAN TEST THE ALTERNATOR

Once you have verified that the battery is working properly or if you already know it for sure, you can go ahead and test the alternator. To do this, run the engine. As mentioned, you can measure the dynamo with a multimeter or voltage meter. To begin, turn on the engine and accelerate until 2000 rpm is reached. This is necessary to activate the voltage regulator that ensures that the alternator does not supply too strong a voltage. When this is activated, you can connect the measuring device (the voltmeter or the multimeter) to the alternator. If the measuring device shows a value above 13 V, this indicates that everything is OK. If you then accelerate and the reading moves within the range 13 to 15.4 volts, the part is in proper condition. However, if it remains the same or even drops below 13 V,

There are also other ways to check that your alternator is working properly. For example, some cars have a meter on the dashboard that displays a value in volts or amps. With the help of this you can also check whether the alternator is working.

In addition, you can start the engine and try to find out with your naked ear how the alternator works. If it makes strange noises, that could also indicate a problem.

Keep in mind that other parts can also prevent the alternator from performing its tasks, although it still works properly. So also check whether other parts that are important for the functioning of the alternator are working properly.

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