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Battery does not charge. have replaced the battery and alternator

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When you replaced the alternator , did you inspect the connections?
I have seen quite a few GM cars and trucks with bad connections at the altenator cause this issue

Posted on Sep 28, 2010

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1996 Aurora with intermittent charging issues. New alternator and battery.


Are you aware that this charging system is computer controlled ? There is also a temp sensor for the battery > Battery Thermistor
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I have a 98 Toyota Avalon that recently had a dead battery at the airport. When the airport lot attendant jumped the car, it cranked weakly for a second and then nothing happened. Numerous jump attemp


The battery needs replacing.Also it confirms that alternator is the issue too.

Check the help links mentioned below.This will help you to get the alternator tested and confirm the problem :----

Click the link :----
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How to test and replace Alternator on Audi A4 Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-test-and-replace-alternator-on.html

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How to inspect Vehicles Alternator?

http://repairhelpcenter.blogspot.com/2011/11/how-to-inspect-vehicles-alternator.html

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http://repairhelpcenter.blogspot.com/2011/11/how-to-test-vehicles-alternator.html

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How to Service Vehicles Alternator?

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How to Replace Alternator?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-alternator.html

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How to monitor Vehicles charging system?

http://repairhelpcenter.blogspot.com/2011/11/how-to-monitor-vehicles-charging-system.html

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Car Alternator making noise?

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Car Alternator Working Intermittently?

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http://repairhelpcenter.blogspot.com/2011/12/car-alternator-bearing-makes-grinding.html

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How to change Alternator on Peugeot

http://www.howtorepairguide.com/2012/11/how-to-change-alternator-on-peugeot.html


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Nov 28, 2012 | 1998 Toyota Avalon

1 Answer

My battery dies i replaced a brand new alternator but still dosen't charge tomthe battery


The battery most likely has dead cells and not charging due to the alternator .The alternator is doing what it should, your battery just can't hold the charge the alternator is putting out. Go have the battery tested at a local auto zone or advance auto store. Free to check

Dec 15, 2011 | 1995 Ford Windstar

1 Answer

Will not star or turn over.


CHECK BATTERY CABLES MAKE SURE THEY ARE NOT CORRODED AND LOOSE.ALSO CHECK BATTERY VOLTAGE.SHOULD BE 12.6 VOLTS IF NOT REPLACED BATTERY.BEFORE REMOVING NEGATIVE BATTERY CABLE TURN OF RADIO FIRST.AFTER INSTALLING NEW BATTERY.WITH ENGINE RUNNING CHECK ALTERNATOR OUT PUT AT BATTERY SHOULD BE 13.5 TO 14.5 VOLTS.DOING THIS WILL MAY SURE BATTERY GETTING GOOD CHARGE.2 REASON BATTERIES STOP WORKING.THEY FAIL FROM OLD AGE AND ALTERNATOR CHARGING SYSTEM NOT WORKING.IF BATTERY CABLES VERY OLD I WOULD REPLACE THEM.THAT WILL HELP BATTERY GET BETTER CHARGE.OLD BATTERY CABLES PUT A RESISTANCE ON CHARGING CIRCUIT CAUSE ALTERNATOR WORK HARDER TO KEEP BATTERY CHARGED WHICH WILL SHORTEN THE ALTERNATOR LIFE.

Jan 26, 2011 | 1999 Oldsmobile Alero

3 Answers

Hello my 1992 prelude battry warning ligt stays on wat does this mean


Either your battery is bad or your alternator is not charging the battery correctly. Start the engine then remove the Negative battery terminal. If the vehicle dies you need to have the alternator replaced. If not then replace the battery.

Sep 08, 2009 | 1992 Honda Prelude

1 Answer

Battery will not stay charged


Check the battery strength and then double check your alternator to make sure it's charging.. I installed 3 alternators, new off the shelf, on one vehicle, and all three were duds (4th one worked fine). If the battery does not need replacing, and the alternator is charging, double check and make sure no components are left on such as a light in the glove box.

Jun 07, 2009 | 1985 Dodge Ramcharger

2 Answers

1992ford ranger -alternator dont charge battery


If there is power to the big wire that is bolted on to the back of the alternator and no power out of the small wires that plug in to the alternator then it is possible you need to replace your alternator. start the vehicle and check to see if there is 14 volts at the battery while the vehicle is running if there is then the alternator is good if not replace your alternator and charge your battery with a charger to make sure you have a proper charge on the battery.

May 16, 2009 | 1992 Ford Ranger

1 Answer

Charging problem.. Wont charge battery


The instructions for installing a new alternator usually read to fully charge the battery (12.3 - 12.8 volt range). Otherwise, the alternator will be damaged when it initializes. I have seen some extreme damage result from installing a new alternator with a low-charge battery. The torque required to turn an alternator when damaged in this scenario is unbelieveable!

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3 Answers

My battery is boiling and smelling. Is it a faulty battery, or is my alternator causing it to over-charge the battery?


You need to replace the battery to start with. you cannot test the charging system with the battery the way it is or you will get a false reading. Once you replace the battery, you can then test your charging system to see if the alternator is causing the problem. If its charging more than 14.8 -15 volts, its too much and you will need to replace the alternator.

Apr 13, 2009 | 1998 Honda Civic

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