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The charging system is not working. You need to take it to a shop and have it tested.

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Q: Why would a Battery light comes on when idling?
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Why would your car volt amps drop while you stop at a light?

Engine is idling too slow or the alternator is weak. Or battery is getting tired.


Why would the battery light comes on but not for long on an 88 Chevy Celebrity?

That would tend to indicate that the alternator was not charging the battery for that interval.


Why would your battery light stay on after you have put in a new battery and alternator?

The battery light comes on when the alternator output voltage is too low or too high. You have a wiring or regulator problem.The battery light comes on when the alternator output voltage is too low or too high. You have a wiring or regulator problem.


Why would battery light go on in a 2005 caravan while driving?

Usually when the battery light comes on its the Alternator, or a bad wire from Alternator to battery, but id check Alternator first.


Why would the battery light on a Clio 1.2l always flash even though when it was serviced there was nothing wrong with it?

on my old 1.2 clio the battery light came on as there was fault with the alternator and it needed replacing. As far as i know the battery light comes on when the battery is not charging or there is a fault with the battery.


What would cause the Battery light to stay on in a 1990 Ford Escort?

The battery light comes on because: \ 1. The serpentine accessory belt has broken. 2. The alternator has worn out.


Why does the battery light go on and off in my 2002 Monte Carlo. Every time the battery light comes on the voltage drops. When the light goes out the voltage comes back. What could be wrong?

Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt.


Why would your Dodge Durango stall when idling at a stop light?

Your Dodge Durango may stall when idling at a stop light for a couple of reason. One reason may be that a part needs to be replaced on the car.


Why would a check engine light comes on after changing a completely drained battery on a 1994 Mitsubishi Mirage Can you reset it?

The check engine light only comes on if there's a problem with suction (i.e. you filled the gas tank with the car running or left the gas cap open and drove. You can't reset it, you have to unhook the battery. If it comes on again, unhook the battery again. If it comes on a 3rd time, I'd see the dealer.


What would cause battery light to come on lose power steering dim lights lose speed on a GMC Safari SLX Van?

If there is power lost, lights that dim and a battery light that comes on there is most likely a connection that is loose somewhere. It would be best to check the alternator or battery cables.


The battery charge light comes on and eventually your battery dies Then Replace the alternator and within a few days the light comes on again What could prevent a good alternator from charging the bat?

Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt. If the battery and alt test ok than check the connections to the alt. You may also have a battery drain (something that is staying on and killing the battery)


How do know when alternator is bad?

If your talking about cars... If you smell a burning smell, or your red battery light comes on then i would get your alternator checked out!