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Charging System

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Symptoms of a Bad or Failing Alternator
Common signs include having to jump start the car frequently, dim lights when operating the vehicle, or the Battery Light coming on.
How Can I Tell If My Car Battery Needs Replacing?
There are few things more frightening than hearing buzzing or clicking from your car when you’re trying to start it. It could mean any number of things, but chances are that it means you...
Understanding Electric Vehicles
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How to Buy a Good Quality Car Charger
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How to Charge a Dead Car Battery
The battery in your car can go dead for any number of reasons leaving you stranded....
A Buyer’s Guide to the 2012 Dodge Charger
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2012 Ford Mustang vs. 2012 Dodge Charger: Which One Should I Buy?
Technically these two vehicles have wildly different classifications: compact for the Ford Mustang and large car for the Dodge Charger. However, who would consider either one anything other than a muscle car? These cars are meant for speed,...
How Long Does a Battery Temperature Sensor Last?
Most people fail to realize just how sensitive the charging system on their car is. If all of the components of your charging system are not working properly, then it will...
How to Use a Battery Charger
Most people who have been around cars for a good chunk of their lives have experienced the hassle and inconvenience associated with a dead battery. Sometimes it simply happens...
Electric Cars and How They Work
Electric cars use an electric motor driven by a control unit. Their batteries are filled at charging stations and they produce no tailpipe emissions.
How the Alternator Works in Your Car
Your car alternator, at its most basic, is what works along with your battery and the rest of your charging system to keep your car running. When you start your car, you’re running on battery...

Related questions

Question
2003 Chrysler seabring, was a pop then black and grey smoke rpm gauge went crazy and the car cut out. Power went completely and sh
Without knowing exact cause of the oil leak since it sounds severe there would not be any way to tell you what happened. If you leaked oil onto the belts of the alternator then it may slip and cause no...
Question
What is the best replacement alternator for 2006 Jeep Liberty?
The best choice for this vehicle alternator will be new from the manufacturer dealer since the alternator is computer controlled and I have seen many different aftermarket and rebuilt alternators malfunction in short time or not even work the first...
Question
I recently got a new battery and starter with in a month for my 2006 bmw 330i. Now the car won't start and key buttons won't work.
Hello, thank you for writing in. To remove the key from the ignition, you are going to want to disconnect the battery. The electronic sensors that register you are in park and allow the key to come out are not...
Question
Car started fine. Went 2 minutes around the corner to store, turned car off came out 5 minutes later, car wouldn't start. No noise
Hello, thank you for writing in. The vehicle is likely having issues with charging system. If the alternator or battery is failing to replenish the charge used while starting and driving, the next time you go to start your car...
Question
battery saver mode came on again after replacing battery and alternator
As you probably know, the battery saver mode will come on when there is a problem in the charging system. If the charging system isn't working, with a new battery you can drive the car for several hours and a...
Question
no high beams
You should first have the charging system checked to make sure it is not overcharging since these alternators are known to have this problem. If an overvoltage condition is present it could have blown the high beam circuit inside bulb....
Question
My key is stuck in the ignition and I won't turn left. It will turn right but the lights don't come up nor does the car start. My
The first thing you should try is to see if your battery can be jump started and see if the vehicle will start? If it starts then look to see if you have a battery light is on indicating the...
Question
I have a 2009 gmc acadia. While on a long road trip my DIC now says service battery charging system, should i shut it down for a
Your alternator is computer controlled and it has detected the system is not recharging the battery. You will need the computer checked for codes and the charging system for an alternator not charging. Also the battery will need to be...
Question
Is There a video showing how to do this
Hello, we do not have repair videos available at this time. We do offer the service to come out and replace the alternator for you, and you can find out more about that here. Otherwise, look to the internet and...
Question
Put new battery in my car
Hi Tiffany. Thanks for writing in to YourMechanic.com today. Corrosion is caused by oxidation, and battery acid leaking - which occurs overtime. It can create a faulty ground or power connection and cause several of the symptoms you are describing....
Question
I have a vehicle where the battery is brand new, I had it tested, whereas the battery is putting out 11.9 volts. But when I go to
You are likely having issues with your charging system. Considering you have a new battery, your alternator may be to blame. Keep in mind, that the symptoms you are having are more commonly seen with battery failure. For this reason,...
Question
My 2011 chevy Cruze keeps saying check battery charging system and the battery and alternator are both completely fine. Any ideas?
Hello, thank you for writing in. If you are not able to find any faults with the battery or the alternator, you are going to want to focus on their wires and connections. Make sure all of the wires are...
Question
I have a GS Lexus 400 1994 alternator needs be replaced but GS 400 not pulling up need a quote on fixing
Hello, thank you for writing in. The submodel you are looking for may not be on our website at this time. There are a couple of options from here. One, you can use a similar submodel to get an idea...
Question
So I bought my wife a 2016 malabu and out of no where the battery saver light came could it be the same as the cruz
Hello, thanks for writing in. Both the battery and the alternator may be at fault. The light turns on any time low voltage is detected. That being said, both are easy enough to test. Most automotive parts stores will test...
Question
I have toyota tundra 4.7 2007 the battery light show before start my car but when start its gone , is normal stay ON before start?
The alternator charging light should be on when key is on without engine running. As soon as you start the engine the light should be off if the system is charging. Since you are getting 13.7 volts after it starts...
Question
Was driving home and my battery light came on my gauge went almost down to 9 and I could barely turn the steering wheel. Could sme
You should check to see if the serpentine belt is broken. If it is then this would be reason the charging system did not work and the engine was running hot. You will need to check to see if each...
Question
battery light
You will need to have the computer checked for the charging system problem since the alternator is controlled by the computer. I have seen many aftermarket alternators controlled by the computer not work correctly and you may have to get...
Question
I have a new altanator, dash lights, dome light and car lights still flicker mainly while driving. I still hear electrical chatte
You will need to have the body ECU tested for codes and check charging system through it to see if you need a new body control module.
Question
New battery goes dead overnight
If you have a new battery, you should be able to drive for a few hours and be able to restart the car a couple of dozen times even if the alternator is not working. So I suspect you have...
Question
Check engine and ABS light came on then went away
Hello, thank you for writing in. Battery issues cause malfunctions with all of the systems that use its power to function. Most commonly, the charging system light, check engine light, and ABS light come on when there is an issue...

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