Question about 1995 Buick LeSabre

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Will not turn over to start

The battery won't hold a charge, the alternator is good and the battery is new, no electricity at all in car.

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  • Master
  • 599 Answers

Replace battery....you may have a parasitic leak electrically...once in place use a test light in line between batt ground terminal and metal ground ....if it lights brightly you need to begin pulling fuses one by one to make the light go away or become very dull (computer and radio use tiny amounts of keep alive current) which is normal..once you have isolated area that is sucking power you can advise or fix and repair

Posted on Jan 07, 2009

6 Suggested Answers

JustJeeps
  • 74 Answers

SOURCE: Car won't stay running.

alternator does not hold a charge it simply charges the battery by unhooking the battery you are taking all voltage from computer and car will not run the proper way to test your alternator is use a multimeter and check voltage at battery while car is running if you have 13-14 volts it should be fine.

Posted on Nov 18, 2008

ASEtech
  • 67 Answers

SOURCE: Battery will not hold a charge.

I don't know how you figured out that your battery was good, but if it drops to 9 volts I highly suspect that it is bad. You need to have it load tested. This will tell if it is bad under load.
Also if it is bad it can cause the alternator not to work even if the alternator is brand new.

Posted on Dec 04, 2008

  • 13 Answers

SOURCE: alternator not holding charge

you need to check your grounds... very good possiblity there is a bad ground.

Posted on Apr 10, 2009

localwonder
  • 6784 Answers

SOURCE: battery wont hold charge

HI. you may have a battery drain issue that is sapping your battery overnight.

Here is the procedure I use to isolate a battery drain. Remove negative battery cable from the battery. Using a 12-volt test light, hook one end to the negative battery post the other end to the negative battery cable you just disconnected. The test light will glow or "light" if there is a drain. If the "light or glow" is faint, that is probably normal draw for the clock or computer. If the "light or glow" is bright, then there is a large drain. That should be corrected. Now start removing and replacing the fuses one by one until the light goes out; that one will be the circuit with the drain. Remember to hold in the button in the door jam for the interior lights.

Posted on Sep 01, 2009

  • 64 Answers

SOURCE: new battery, new alternator still won`t hold a

You must have a bad gound somewhere or faulty wiring. Your not able to get current from your new alternator over to your new battery properly.
Source could be poor or dirty conections, a corroded ground wire or a bad conector at the alternator itself.

Posted on Oct 08, 2009

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Check to see if ALL 6 diodes inside the alternator are good. if one or two are bad the alternator will produce current but not enough to charge the battery fully.

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Could be a bad battery, and or alternator, if the alternator does not charge the battery when the vehicle is running your battery will drain causing no start.

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Car runsthe batterie won't hold a charge in car , but out is good and holds full charge.Pulled all fuses one at a time, know change.It takes two day to drop below starting voltage. Any help appre


it sounds like your alternator is bad. take your car to any auto-zone and they will bench test it for free.they will also test your battery. a car battery can run your car for a couple of days depending on how far and and how many time you start it,what electrical load you put on it.hope this helps.

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The car was running fine one day then the next day it would not start. We tried jumping it thinking the battery might be dead and it still would niot start. The car has power until we take the jumper...


Sounds like you have a toasted battery or alternator. Have you performed a load test on the battery? Have you tried to charge the battery? First remove the battery and charge it externally from the vehicle. If the battery won't hold a charge, or won't hold a charge of 12 volts, replace it. Once you have the vehicle started, test the operation of the alternator. It should be putting out at least 13 volts back to the battery to keep it charged - if it is putting less than 13 volts or more than 16 volts, replace the alternator.

Nov 01, 2011 | 2005 Chevrolet Malibu

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03 escalade won't start or turn over


Do you have power?
battery might be drained cause your alternator is not charging anymore, 2003, seems about time for a new alternator, those vehicles consume lots of power cause pretty much everything is electric, lots of motors and servos, so they depend a lot on a good power source from the battery. If alternator doesnt charge it, no power...

have power system checked.

Good luck.

Aug 20, 2011 | 2003 Cadillac Escalade

1 Answer

Put in a new atl wont charge


If both the alternator and the battery are good, either the alternator isn't turning fast enough (slipping belt or engine idle speed too slow), or you have a wiring problem.

To check your wiring, look for the "1" terminal on the back of the alternator (left side of spade terminal connector). When you turn the ignition key to the run position without starting the engine, the alternator warning light should be at full brightness. If the bulb is burned out, the alternator will not get the excitation current it needs to start up (it goes through the bulb). With the engine running, you should measure 12 Volts at the 1 terminal (this is the excitation terminal).

Another thing to check is whether the battery charge wire is good. If it is corroded inside at the battery clamp end or burned out, you won't get charging even though the alternator appears to be working. If you don't have an ohmmeter, you can make a quick test by adding a new 8 AWG wire between the output terminal and the battery clamp. If the battery now charges, the original wire is bad. If this works, I recommend installing an inline fuse at the alternator end no larger than the largest size used in your electrical system, just in case something happens to the jumper wire. That way you won't burn out your alternator.

The heater/AC issue could very likely be a separate problem, but inadequate power may keep that system from running properly. (Note: low idle speed or belt problems will also be detrimental to AC performance.)

Jul 10, 2011 | 1989 Chevrolet Corvette

1 Answer

Car only starts if i hot jump the alternator...nothing electrical works on inside of car, i.e. power windows,power locks,dash lamp, no tail lights, no brake lights, no fan for the radiator etc...i changed...


Hello and welcome to FixYa!


If the battery light is on, I strongly suggest that you have the battery charged. It can be an indication of a weak battery or a faulty alternator. If the battery light still on after charging then the problem will surely be on the alternator itself. If that's the case the alternator should be replaced to resolve the problem.


If the battery won't hold charge even on a new alternator then the problem will be on the battery itself. It surely is in the end of it's service life and replacement will be necessary.


You may try to reset it to by removing the positive battery connector, letting it sit for at least 5mins. then reconnect it again. This will reset the system and can get the battery light off.


Hope this helps and thank you for using FixYa! Have a good one!

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You put a new battery, now its acting like very low power again?
Most likely the alternator is bad. Maybe not putting out enough to recharge battery. Could have been the original problem.

Can be checked with a meter. Battery at rest should show 12 - 12.9 volts more or less.
With engine running, should be showing 13.5 - 14.7 volts as alternator is pushing electric back into battery.

If you start engine and (after say 10 seconds) voltage stays same or drops, then the charger needs to be replaced. Thats the alternator. Shop around at different auto parts store. (Phone first)

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Investigate the battery and the alternator.
The battery's only job is to start the car.
The alternator's job is to power the electrical supply for the car.

The battery can go bad at any time, and the alternator is probably is putting out only enough electricity to only keep the car running. And not enough to power charge the battery and power the headlights.

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Won't hold a charge


its the battery. the battery holds the charge and the alternator charges it so when you jump the car it stays running because you alternator is providing power when you shut the car off you have a bad battery that isnt holding the charge needed to start it again.

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