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If the battery is replaced the alternator is working but every time the car is started it seems as though the engine completely loses power eventually starts and the clock resets to 12 any ideas?
Wiki User
∙ 15y ago
bad electrical connection.some where.
Wiki User
∙ 15y ago
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Will a dead alternator drain a battery?
Yes. If the alternator is dead and you drive the vehicle, all the power is coming from the battery and it will eventually drain completely. Also, if a diode is shorted inside the alternator, that can drain a battery.
Does a computer reset after an alternator is replaced?
The computer only resets when the battery is removed. The alternator just charges the battery, so if the battery is left connected when the alternator is replaced, the computer should not reset.
Will a bad battery ruin a new alternator?
Yes, it can. A completely dead battery can blow the alternator diodes, at least in older systems - I am not so certain about newer systems, whether or not they are protected against this annoyance. In any case, the alternator is not generally designed to charge a battery from scratch, but just to keep it charged during normal use. The alternator will not be completely ruined, but it will not function until the diodes are replaced.
Why would your car not hold a charge after a jump?
I would assume the battery is completely dead and needs to be replaced, or you jumped it wrong.or its the alternator i think
You just replaced the battery in a 99 cirrus but the battery light stays on?
did you check the alternator??
What could be wrong if i replaced the alternator and battery and still wont hold a charge?
Inside the alternator
Why alternator will not charge battery on 2005 ford focus... New alternator new battery replaced already?
Voltage regulator or loose wire.
Will the alternator run the battery low?
If the alternator is not charging the battery, then it will eventually go dead If the voltage regulator (in the alternator) is defective it will eventually kill the battery Check the alternator with a voltmeter A fully charged battery (without engine running) should read approx. 12.8 volts With engine running should read 13.8-14.2 volts
Why would your car not start if you just replaced the battery and alternator?
Check the battery cables or starter.
Why does battery light on in Chevy Malibu?
Alternator is not charging. Have it tested and/or replaced.
Will a van start if you need a new alternator?
As long as the battery is fully charged it will start no matter the condition of the alternator. Eventually the battery will run down if the alternator is not keeping it charged.
How can I test my alternator to see if it is discharging my battery?
You can have the alternator tested free of charge at just about any major auto parts store. By the way, a bad alternator will not "discharge" a battery - the alternator's function is to provide the charge to the battery. If the alternator is faulty, then it is not providing the charge necessary to keep other components from discharging the battery. I had the alternator tested and it was charging. If the alternator has a bad diode, it will discharge the battery. I replaced the alternator and everything is fine.
