Question about 1995 Volkswagen Jetta

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Battery will not stay charged, starter ok,alternator ok

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Goto to shop have computer diag done to see if you have a short or if old battery replace

Posted on Aug 02, 2009

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Talking from practical experience, this only happens when the battery must have expired with some of its cells damaged already.

Consider replacing the battery and see the difference.

Good luck and don't forget to rate this solution.

Posted on Aug 02, 2009

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How do i get my car running again it broke down i got a jump made it home and next day wont start no dash lights radio it doesnt do anything what is wrong ?


Give the battery a boost. If the car starts and stays running, chances are the alternator is ok. If the vehicle will not stay running, once boosted, there will be a charging system problem. Possible alternator. If the battery is more than 5 years old, it can also cause problems as the life expectancy of a battery is 5 yrs. Very doubtful you have a starter issue. I would bet on a battery or alternator/wiring issue

Nov 15, 2015 | 1994 Nissan Maxima

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Automobile battery and charging system



Most automobile batteries are lead acid which should have a standing voltage of about 12.6V fully charged at 70 degrees F. To test a battery first it must be fully charged. If fully charged a good battery will stay above 9.5V while cranking engine. Most part stores will charge and test batteries, starters and alternators. To be sure your alternator is properly charging start the engine and turn on the headlights and blower fan to add electrical load. Voltage should be over 13.2V at idle and under 15V with a known good battery. If not check the larger wire bolted to the back of the alternator for loose connection and continuity to the battery. If ok check fuses. If all are present and check good most likely the alternator is bad and needs replacement, although it is possible on many modern automobiles to have a powertrain control module (PCM) be the problem as they serve as the voltage regulator. Most late 90s and newer GM and Chrysler do. If all else fails have a professional check it to be sure. Hopefully this will answer the questions of many. Good luck ??.

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on Feb 01, 2015 | Cars & Trucks

1 Answer

Ive a 2000 alero that have the battery light on the dash.after I put a new starter And battery on it. Alternator tested good. Wont stay charged he power battery.


depends on who you had test the alternator
if the local spares shop did it it may be putting out 14.5v ac not DC as required and this will leave the battery light on and not charge the battery
I always suggest a bench test at an accredited auto electricians shop and if the unit is ok then they have the instruments to find the drain problem

Jun 30, 2015 | Cars & Trucks

2 Answers

Pontiac Bonneville Wont start and charge after i changed alternator


Check the wire from alternator to fuse box for a bad wire or a break in it. or corrosion on it. Battery cables loose or corroded. Is the battery ok!! check the main fuses in under hood fuse box. Good-Day! The charging wire goes to the fuse box first.

Mar 03, 2015 | 2001 Pontiac Bonneville

1 Answer

Battery light on, charge system ok, batterry ok, belt ok why the battery light stay on..?


Go to Autozone and have them test your battery and alternator,make sure cable from positive battery cable to starter is tight and negative cable is tight at other end and battery terminals are clean and tight.could be a dead cell or alternator is over charging..

Jun 27, 2013 | 2002 Toyota Camry

3 Answers

Replaced battery. still would not start. Cleaned treminal of all corrision. cranked fine. however 1 day later would not start. jump started . drove a couple of miles but when I turned on lights, engine...


Sounds like a bad alternator. Drained your battery and when you turned on the lights it took all the power left in your battery. When you drain a battery down that far, they are real hard to jump, and coupled with the alternator, the car is not producing enough current to start and stay running.

I would take the alternator off and take it to oyur local auto parts store to be tested. If bad, replace it and charge the battery fully before starting. Then check voltage at battery with motor running. Should be 13.2 -14 Volts DC. If not, you may have a bad battery cable or blown fusible link. (especially that if the alternator tests good).....Mike

Jun 15, 2011 | 1996 Ford Explorer

3 Answers

How can i tell if my starter is going bad? I had


It may not be the starter. The battery could have a weak or dead cell in it and not holding a charge.
The alternator could be bad and charging the battery.
If you have a volt meter, or can get one, with the car running, put the leads from the meter to the battery terminals, red positive, black ground.
Put the meter switch to 12 volts. If the meter reads 14 to 15 volts, the alternator is ok, below that it isn't charging. If it does read 14 to 15 volts, replace the battery.
By the way, the starter is ok, or it wouldn't have started with a jump.
It's more a battery/alternator issue. Clean the battery terminals first and see if that makes a difference.

May 11, 2010 | 1999 GMC Jimmy

1 Answer

Alternator wont stay charged.


Replace the large wire on the back of the alternator,with a new one,it comes off the back to the positive side of the battery,leave the old one on the alternator.

Feb 08, 2010 | Pontiac Trans Sport Cars & Trucks

1 Answer

Battery Won't stay charged, and won't charge either.


So you got a new battery, alternator, and starter. The ticking noise with the starter meant that you had a bad battery so I don't think you needed to have replaced it, but since it was under warranty, didn't hurt.

As for the battery itself when tested, it should not read 10V as that means it's not holding a charge. The battery should read 12-12.5Volts across the leads when the car is off. When the car is running, the battery should be reading 13-14Volts across the leads, anything lower means the alternator is not charging your battery, anything higher means the alternator is over charging.

Aug 17, 2009 | Isuzu Rodeo Cars & Trucks

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