does the battery or the alternator start the car
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- There are two ways to recharge a battery with a bad alternator: jump starting it with another car or using a portable battery charger. Although it is possible to recharge a battery without the alternator, the battery will probably not be powerful enough to make it far without the alternator to cycle the charge.
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Car Battery or Alternator: How to Tell Where the Problem Lies Then turn on the engine again and check the battery. If the voltmeter reads between 14-15 volts then the battery is normal. But if the battery reads over 15 volts or less than 13 volts, then there might be a problem with the voltage regulator, the wiring or the alternator.
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Everything You Need to Know About Car Batteries Knowledge is power when it comes to your car’s battery and electrical system. In fact, it’s your ride’s heart and soul. The last thing you want is to be left stranded with a dead battery. The more you know about your battery and electrical system, the less likely you’ll get stuck. You’re starting your car, and it keeps turning and turning, eventually starting–or not. 2  This could mean your alternator isn’t charging your battery properly. 3  If you start experiencing the possessed electrical system as well, please stop in to the nearest service facility.
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Everything You Need to Know About Car Batteries The car battery provides the jolt of electricity necessary to power all the electrical components in your vehicle. Talk about a pretty huge responsibility. Without battery power, your car, as you’ve probably noticed, won’t start. Let’s take a look at how that powerful little box works:
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What would cause a battery saver to activate in the display? Two weeks ago i bought a new battery, i installed new battery cables and i put on a new serpentine belt. The battery saver still continued to come on often and the battery voltage in the dash remained hi. The battery itself when motor not running is 12.99 volts. I then went an bought a new gm alternatotor last week. The battery saver still activated with the voltage on my display saying 15.7 volts. I tested the battery without the motor running and it said 12.97 volts. Then it starting saying charging system failure but whould go away in about a minute.
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Will a car continue to run if you remove the battery while it's running? Provided your alternator is in working order the car will continue to run till you switch it off. The battery is only used to start the car or to use any electrical components while the engine is switched off. If the car does stall than replace the alternator. greg k · 1 decade ago.
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Q: iPhone Photo Limit? (8GB) Also, the number of photos that the iphone will store is quite large depending on how much free space you have on the iphone. The camera on the iphone is a 2 megapixel camera. The average stats for a 2 megapixel camera is: image size (1,600 x 1,200) File size: 0.9MB (900 kb)
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Six Signs of a Failing Car Battery Once the car is started, the alternator keeps the car battery going by replacing the power used to start the engine and run your vehicle’s electronic accessories. When you put the key in your car’s ignition and turn it, the battery alone starts the engine.
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- Another way to start a car that has a dead battery If the vehicle with the dead battery has a manual transmission and it's parked on a hill, or you can push it to one, you can try another method: with the car in first gear and the ignition on, push in the clutch and let it roll down hill.
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- Times vary in regards to how long it takes to charge a car battery. If you jump start your car and charge the battery through the process of using your alternator, it will likely take an hour (at least) to fully charge your battery. When using a battery charger, you can vary the time by lowering the amperage.
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Persistent Battery Light After Battery or Alternator Replacement A relatively common “side-effect” of replacing a battery and/or alternator in a car is to have the voltage (battery) warning light come on. This is especially true in late-model vehicles with their more sophisticated internal diagnostic systems. There are usually two things that cause the battery light to come on after a battery replacement. The most common is a loose connection – perhaps a terminal connector was not tightened sufficiently when the battery was replaced.
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What charges the car battery in your car? Actually the charging mechanism in an automobile is the alternator, and it works whether the wheels are moving or not. The alternator is one of the parts in the engine compartment that have a drive belt. These are the belts that turn the cooling fan for most cars, and for that reason the belts are commonly known as fan belts.
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Six Signs of Alternator Issues Weak or dead battery. A car battery, by definition, has a finite life and will not last forever. As good as an alternator is at replenishing your car battery; it can only recharge it to the point that it has a decent amount of life left in it and is able to accept a charge. If the battery is really weak or dead, the alternator cannot bring it back to life.
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- That means the alternator is not putting out current to charge the battery and your car is running off the battery alone. This will ultimately lead to the engine running rough, missing, then stalling and stopping.
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How Alternators Work But car batteries can't use AC power since they produce DC power. As a result, the alternator's power output is fed through diodes, which convert the AC power to DC power. The rotor and the stator are the two components that generate power.
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- You also need to remember that the alternator is the equipment that charges your battery. If your alternator is bad the battery will just drain like a flashlight battery until it is dead. The alternator keeps your battery recharged as your car uses it while the engine is running. My battery indicator light came on, but the car would still start and the alternator belt was intact. 2  I tested the alternator with a volt meter and sure enough it was bad. 3  Battery continually going dead. 4  Best thing to do is drive the car to an Auto Parts store and have the alternator load tested.
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Common Battery Myths Driving a car will fully recharge a battery. The alternator is not a battery charger, but rather, a battery maintainer. It is true that a lightly discharged battery may regain full charge under normal driving conditions. However, a severely discharged battery must be recharged by an auxiliary battery charger.
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How can you tell if it's your battery or alternator that's bad? Every time you start your car or play the radio or operate the power seats or windows while the engine is off, you drain the battery a bit. The alternator -- which is really a generator -- replenishes the battery when the engine is running and provides power to your car's electrical systems when the engine is running.
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- *ignition turned on engine off 12V. *engine on-when you first crank it stays at 12V. *engine on and revving-after first rev above 2000 RPM alternator starts charging and will stay around 14V until ignition is switched off. I will find the other alternator wiring and make sure it is taped up and not grounding out.
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- It requires a very high current to crank the engine, which is why it is attached to the battery with large cables. When you turn the ignition key to the start position the battery voltage goes through a circuit to energise the starter motor.
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- Your battery does what it does best when it’s sitting idly under your hood. It stores chemical energy when it has nothing else to do, and waits to release it as electricity when you need it. When you put your key into the ignition and turn it to the “ON” position, your battery receives a signal to go into action.It releases that stored chemical energy as electricity. This is what allows the engine to crank.f the car starts right away, your problem is most likely a dead battery. Charge the battery and clean the terminals and cable connectors to ensure good contact. If your car does not start by jump-starting, you may have a problem with your starter, alternator or another component of the electrical system.
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What is a Charging System? It can be brought back to life by recharging it with a battery charger, or by running the engine so that the alternator can charge it. For more information on the battery, Click Here. .The main component in the charging system is the ALTERNATOR.The alternator is a generator that produces Alternating Current (AC), similar to the electrical current in your home. This current is immediately converted to Direct Current (DC) inside the alternator.his is because all modern automobiles have a 12 volt, DC electrical system. A VOLTAGE REGULATOR regulates the charging voltage that the alternator produces, keeping it between 13.5 and 14.5 volts to protect the electrical components throughout the vehicle.
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- No we can not use car battery to power TV and lamp because car battery is designed to provide large charge amount in short duration to start car and once car starts then regular electric supply is done by alternator. But if we use a car battery to power a then we need deep cycle battery which can provide power at low charge without any damage.
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Why a car won't start troubleshooting tips. Look at the dome light. Does If it gets very dim when you try to start or when you turn the wipers on, the battery is most likely discharged. If the battery is relatively new, it can be recharged. One way to do this is to jump start your car and let the engine run for a while to re-charge the battery.
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How do you know if the alternator is bad? A loose belt will also prevent the alternator from charging the battery. Cable testTry this: With the vehicle running, disconnect the negative cable from the battery. If the vehicle keeps running, the battery could be bad. If the vehicle dies, the alternator is probably bad. My battery indicator light came on, but the car would still start and the alternator belt was intact. 2  I tested the alternator with a volt meter and sure enough it was bad. 3  Battery continually going dead. 4  Best thing to do is drive the car to an Auto Parts store and have the alternator load tested.
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Alternator & Battery Basics (When you hit the gas is when the alternator is trying to put out a full 100 amps.) Remember it resists being turned in proportion to how much electricity it’s trying to produce. As soon as the battery is recharged the squeal goes away because the electrical demand is less.