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No, you must have a charged battery for the alternator to work.
Here's an explanation of how the charging system works:
http://www.ricksfreeautorepairadvice.com/repair-topics/alternator-generator/testing-an-alternator-without-blowing-it-sky-high
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoIf the alternator is in good condition, it should provide a charge to the battery while the engine is running and it will recharge if the battery is also in good condition. The act of starting the car actually discharges the battery.
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What causes the battery light to come on 2000 cavalier?
The Battery? No, not typically the battery. That means that the alternator is not charging the battery and IF the engine is running, it's getting all of it's electrical energy from the battery. It means that once the battery charge is depleted, the engine won't run again until you recharge the battery.
Can a loose positive battery cable prevent the alternator from charging the batter and can it cause a battery drain while the engine is not running?
Yes, a loose battery cable will prevent the alternator from charging the battery. The drain on the battery is not caused by the engine not running unless an accessory is left on. Most likely, the drain is caused by accessories (radio, lights, etc) while the engine is running due to the battery not receiving its charge from the alternator and then not having enough charge left to start the engine.
Why would gm 3100 engine have no spark?
There could be many reasons why the engine has no spark. A few reasons could be that the starter or starter solenoid is going bad, or the battery is drained.
What engine sound will you get if your alternator is gone or going?
if your alternator is gone or going your car will start and then eventually just stop running because your battery has gone dead. it typically will not make any sound when your engine is not running because of a dead battery.
Can my car start with a recharged battery if my alternator is bad?
Yes, the battery starts the engine, and as long as the battery is fully charged the engine will start. The battery will loose it's charge if the alternator is defective and not replenishing the charge of the battery but the alternator has nothing to do with starting the engine.
Will your alternator recharge your battery if you let it sit for a while?
If the engine is running and the alternator is good. If the engine is not running, no.
Do car batteries recharge as their used?
No, they discharge. The alternator recharges the battery when the engine is running.
Will a car battery recharge if the car is on but not moving?
yes the engine runs the charger/alternator as long as the engine is running the battery should be chargeing
Alternator gauge definition?
provides electricity to keep the engine running, recharge the battery, and operate such equipment as lights and radio
What causes the battery light to come on 2000 cavalier?
The Battery? No, not typically the battery. That means that the alternator is not charging the battery and IF the engine is running, it's getting all of it's electrical energy from the battery. It means that once the battery charge is depleted, the engine won't run again until you recharge the battery.
Auto-heater plugged into the cigarette lighter drained battery replaced battery but the 2004 mercury mountaineer will not start Can anyone help?
Jump start car and do not run heater with engine not running.
How does hybrid car recharge battery?
The alternator is connected to a gas powered engine. This charges the battery.
Should your car start right after changing the alternator?
If the battery is fully charged and the starter is working properly it will turn over and start. The alternators sole purpose is to supply voltage to the vehicle and battery when the engine is running. When the engine is not running the alternator has nothing to do with starting the engine. If the alternator went bad and the battery was discharged then you will have to charge the battery before it will be able to start the engine. Do not jump start the engine with a dead battery if you can avoid it. This puts a strain on the alternator trying to recharge a dead battery and can damage the alternator, even a new one.
What is the purpose of an alternator?
The purpose of an Alternator is to periodically recharge the battery while the engine is on.
How can you jumpstart my x5 BMW truck?
where are the point located in the engine of the BMW x5 to enable me to use leads to jumpstart and recharge the battery where are the point located in the engine of the BMW x5 to enable me to use leads to jumpstart and recharge the battery
Why is your 1981 ford F150 starting without an alternator?
You don't need an alternator to start your engine only to recharge the battery. You could start any vehicle without an alternator but that doesn't mean it will run for long. Newer vehicles would just run till the battery was drained.
Why wont your brand new alternator recharge your battery?
Maybe the battery is defective. Check the voltage at the battery terminals with the engine running at idle. You should get 13.5 to 16 volts. If not the alternator is defective or the voltage regulator is bad. If you are getting the correct voltage, the battery is bad or the connections are corroded.
