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Battery Light

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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 Long Does an Alternator Belt Last?
Your car’s alternator is what delivers energy to your vehicle’s battery. It works by means of converting mechanical energy to electrical energy, taking power from the engine’s crankshaft and delivering it to...
Symptoms of a Bad or Failing Alternator Belt
A failing alternator belt can cause the Battery Light to turn on, dimming or flickering lights in the car, and engine stalls.
What Does the Alternator Warning Light (Battery Warning Light) Mean?
The alternator warning light means there is an issue with powering the battery. This could be due to the alternator becoming worn out.
How to React If Your Battery Light is On
The battery light or charging warning light, available on the dashboard of your car, indicates malfunctioning or poor charging of the battery. This light illuminates whenever the...
Is it Safe to Drive With the Battery Light On?
The battery of the vehicle supplies electric energy to your car. It powers the lights, ignition system, the radio, headlights, and much more. It is essential to the vehicle operating properly. All...

Related questions

Question
What does it mean when my batteries server active light reads on the car and what should I do it would not crank up?
You can do a couple things, you can connect a battery charger and charge the battery or you can jump start it with a jumper box or jumper cables. This light indicates the BCM (body control module) has detected the...
Question
My battery seems to die down when it is too cold
You should have the battery tested to see if it has enough cold cranking amperes to keep enough charge when it gets cold outside. If the battery is more than a couple years old then it may just need replaced....
Question
My batery light turns off and on and also dims and brightens what do i do to fix
Hello, thank you for writing in. The battery light may illuminate for several different reasons. Luckily any codes may be pulled from the computer and save time with diagnosis. Typically the light will come on and stay on when the...
Question
Wont stay running, drains new battery
Hello. Thank you for writing in. The vehicle primarily runs off of the alternator when running. Generally the battery is utilized for starting purposes and completing the charging circuit. You will want to have yours tested, as this would cause...
Question
Battery saver light on but diagnostic check by mechanic shows no issues and the warning started appearing after new battery instal
Hello, thank you for writing in. There are parts of the charging system, like the alternator output, that are monitored directly by the computer with sensors. However, there are enough sensors in the system, the aspects that are not directly...
Question
I put a new battery
When you took the old battery out, the vehicle of course experienced a black-out or power interruption. That may have set a trouble code and it just hasn't yet cleared. As a routine matter, whenever you put a new battery...
Question
Battery Light and Brake Light Wont Go Off
Hello, thank you for writing in. Newer vehicles keep power supply to the ABS system at all times. If the supply of power is interrupted or there is an issue with the power supply the ABS warning light will illuminate....
Question
voltage warning light still coming on 30-45 seconds after car starts.
Nothing should be replaced until you have in hand a definitive diagnostic pinpointing the faulty segment of the car's electrical system. There may be too much voltage drop in the charging circuit, as well as elsewhere, but start with the...
Question
Battery light and power steering
The power steering pump and the alternator which charges the battery are driven off of the same serpentine belt. Therefore, the first thing to check is the condition of that belt and whether belt tension is adequate. If there is...
Question
My battery light came on its making a real bad whinning noise
Charging system output should be verified against factory specifications as the alternator may have failed which would account for both the noise and the battery warning light. It is also possible that the noise, and a charging failure, could be...
Question
Car keeps dying
Hello. We will be happy to assist you. To find the cause of your drain a parasitic draw test must be performed. A parasitic draw test is performed by disconnecting the negative terminal of the battery and hooking a multimeter...
Question
My car will not stay started after installing a new alternator
Hello. You will want to check that the alternator installed has the right amperage output for your vehicle. Some vehicles take two or maybe three different types of alternators and the one that was installed may not have sufficient power...
Question
Why did my 'E' brake and battery light came on at same time?
The battery light will come on when the event that the battery is no longer being charged. The 'E' brake (parking brake) light comes on when the fluid is low in the master cylinder or there is a pressure difference...
Question
Engine won't stay cranked over.
Check the engine oil level to see if there is oil in the engine. If there is oil in the engine and the oil light is on, then you will need to tap into an oil gallery on the engine...
Question
Engine light and battery light is on.
Hi there. Check the alternator and see if its not charging properly. Charge up the battery and start the engine. Check for a voltage on the battery with the engine running and see if its between 13.5 and 14.7 volts....
Question
Why do my battery saver mode light comes on
Hello, thank you for writing in. The light is telling you the computer is shutting off accessory electronics to save battery life due to low voltage. The light may be remaining on because the warning was not reset, the battery...
Question
SUV stopped running won't start does turn over . Battery light flashes when attempting to start. Acts like starving for gas .
Hello, thank you for writing in. Because the vehicle is new to you, it is difficult to point yourself in a good direction, and we will have to start with the basics. Due to the fact the battery light is...
Question
Batt will not hold full charge.
Have a battery test run on the battery to determine the state of health of the battery. If the battery tests fine on a full charge, you may have something in the car causing a parasitic drain. The battery may...
Question
Why would the battery and brake light come on for no reason as well as the transmission jerking when accelerating from first to second?
Hi there. Your alternator may not be working properly. If so, turn off all the lights and have the engine running at night. Then from an idle condition, rev up the engine. If the brake and battery light become brighter,...
Question
My battery light comes on when braking and every once in a while while driving?
Hi there. Sounds like a battery terminal is loose and becomes slightly disconnected when the car is shifted forward during braking. Check the battery cables and make sure that they are tight on the battery terminals. If the battery cables...

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