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all electrically powered items such as head lights etc fade, longer or non start ups

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Q: How do you tell if your car battery is going bad?
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Battery light comes on when you try to start car?

If the battery light comes on when you try to start your car, either your battery is low or your alternator is going bad. These can be checked by going to an Advance Auto or Auto Zone, they will test it for you for free.


How do you tell if your starter is going bad on a Honda Accord?

When your car isn't starting the car you can't hear it while turning on the ignition. You're gonna have to check the battery and alternator as well before replacing a starter.


What causes a car to drag when trying to start?

Starter that is going bad, out of time, or weak battery.


Can a car battery have enough charge to turn the car electrics on but not start the car?

Yes, A car battery can have enough charge to turn on car electrical components but not start the car. This is not much of an indication of a bad battery however. Use a volt meter to test the power in the battery. If the battery seems low put it on a trickle charge. Most modern chargers will tell you if your battery is bad or not. The battery also has to be load tested to determine if it's good or not.


How do you tell if car alternator is bad?

The battery light will be illuminated on the dashboard and later the battery will go flat as it is not getting charged Garages can check this for you if your battery is frequently getting flat.


Why does your car keep going dead with a good battery?

Could mean that your alternator is bad and is stopping it from regenerating the power.


How can you tell if your alternator is bad on a Subaru Outback?

The quick easy method for determining a bad alternator or at least to find out if it is charging, while the car IS running remove the negative battery cable from the battery, if the car stalls then you need to have the alternator service inspected.


How can you tell if your alternator is bad on a 1995 Ford Bronco?

Start the car, unplug the battery the alternater should power the car. If it dies the alternator is bad. You can also get it checked at any parts store.


Is the car battery bad?

yes


How could you tell if the water pump is going bad?

your car will overheat, there will be low pressure on your system.


Why is my car not turning over?

Bad starter, or dead battery. :) Or you could have a bad wiring connection. Oh yes, and your starter switch (where you put your key) could be going bad.


When bad battery cause dc car voltage ok. cause ac volt on car running show what ac volt is ok?

Vehicles run DC. 13.5 - 14+ volts at battery is o/k. Shows alternator is charging but won't tell you amp output. If the battery is bad you will wear out the alternator as it trys to keep a bad battery charged (it will work itself to death)