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Car only starts when jumped with another car and my battery is new so is the alternator what else could it be?
Don't depend on "new". A new part can also fail and they can be faulty right out of the box.
Find a voltmeter and test the battery. It should be around 12 Volts, maybe a little above. Then start the engine (using a jumpstart if necessary).
With YOUR car only running on the battery, use the voltmeter again to test the voltage. If the alternator is working you should have about 13.5 Volts. If it's much below that the alternator isn't working. If that's the case, make sure it's connected properly before you try to replace it.
What else can I help you with?
Is alternator used once car starts?
The battery "starts" the car...after that the alternator keeps the battery charged. They work together in other words.
Your car wont start just makes a clicking sound?
That could be the alternator or the battery. Try jump starting your car with another car's battery. If it still does not start, it is probably the alternator. If it starts, your battery is dead.
4-cylinder 99 tercel starts the stalls starts again and stalls then the battery is dead?
It sounds like your alternator is no longer recharging your battery. You probably need a new alternator.
Will a bad alternator keep a 1999 S10 pickup truck from starting?
The answer is no . The battery starts you vehicle , the alternator charges the battery so if your alternator is bad your battery is not receiving a charge which will cause a "no start" condition.
Starter clicks when trying to turn over but when jumped the car starts right up. If car is not started within 4 or 5 hours your get same symptoms as before. Is this a bad alternator?
Bad battery. I'd put money on it.
Is it the alternator if the car starts then after 10 hours the battery goes dead and does not start but after running for a few minutes starts again?
Most likely it will not be the alternator. It sounds as though the alternator is working very well. It will be a faulty battery or a battery drain due to something left on or shorted out. Usually a boot light or glovebox light or recently fitted stereo.
How do you know the problem is the alternator?
If your car doesnt start, it could be the battery. But if the car starts and you unplug the negative cable and the car turns off, its the alternator.
Your 1991 Toyota Camry starts fine when jumped but dies if turned off for a while couple of hours?
You should pull the battery and have it tested. If it tests ok, pull the alternator and have it tested. Most auto parts stores have the equipment to test these and there should be no charge for the test.
Car battery jump starts but won't hold charge?
You either have corroded battery terminals (where cables hook on battery)or a bad alternator ...Autozone willtest for free
Why some time the terminal voltage of a battery increases more than its rating?
When the alternator starts charging the battery voltage will increase about two volts to charge the battery.
Car starts but wont stay on is it gas filter?
proably yes if not its probably something with your battery or alternator
Why car starts and runs fine then dies when stopping at a light or at all?
Possibly a bad alternator or battery.
