Question about 2002 Buick Century

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2005 century battery light on .. new altenator and battery

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Check fusible link in wire from alt to starter. 2005 century battery light on - eb66788.gif

Posted on Oct 04, 2010

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1 Answer

Wiring diagram for altenator in 2005 pt cruiser


I would be checking the external regulator ( if it is not internal in the alternator ) as that will stop a charge for the battery

Jun 19, 2016 | 2005 Chrysler PT Cruiser

1 Answer

Why do altenatore keep going bad


Your voltage is probably spiking and burning out the alternator. Do your dome lights dim and brighten when you drive at night?

Jul 28, 2014 | 1998 Buick Century

1 Answer

What is wrong when your altenator is good


Well the alternator will not kill an engine unless the battery goes dead.
It could be a bad ground connection.

Jul 15, 2013 | 1998 Buick Century

2 Answers

Why do my headlights and interior lights dim and then battery light comes on


Because your battery is low and your there is a problem in your charging system. Loosen the nut on the negative battery terminal, start the vehicle and then remove the NEGATIVE terminal cable. If you have cables that mount to the front of the battery then start the vehicle and remove the negative cable. If the vehicle dies your alternator or voltage regulator are bad. Most likely the alternator. remove and replace. If the vehicle continues to run turn the lights on and see if it continues. If that is good, drive to Auto Zone, and ask them to come out and help you test the battery. They have a portable machine that will test it for you or have you bring the battery inside and test it for you, they will even help you install the replacement battery if needed.

Mar 10, 2010 | 1999 Buick Century

1 Answer

2005 highlander battery light on after changing to new battery. Maybe alternator is bad already.


Hey there,

I gather the old battery was replaced because it was dead or dying.

Was the battery light on for that one too?

Is the belt around the altenator good?

Cables good? No breaks or frays?
Connectors clean and tight?

If you have a multimeter and are comfortable working under the hood with the engine running, you can check the altenator. Black wire to ground (any bare metal surface or the negative battery terminal) There is a single wire on the rear of the altenator. Red to this one.

An alternative:
Most auto parts stores have the facilities to do a bench check on your altenator. I recommend auto parts stores over a shop because their ulterior motives are trying to sell parts not service. They are less likely to 'Discover a Problem' that previously had no symptoms.

Also keep in mind, just because a battery is new, doesn't mean it's necessarily good. They can sit on the shelf for months, be dropped, whatever. The auto parts store can also perform a 'Load Check'. Voltage is one thing. A load check simulates the draw of a starter. No black magic, it's either Pass or Fail. Fail means replacement.

Hope this helps
Mike

Aug 09, 2009 | 2005 Toyota Highlander

1 Answer

Battery light on volt gauge is ok new altenator and battery


It is the two or three wire connector on the top side of the alternator. Either a wire has broke before the plug or there is a problem with the plugs terminals. The dealer sells a repair pig-tail if you need it.

May 03, 2009 | Ford F-150 Cars & Trucks

1 Answer

Battery charges when idling but not at speed. 81 datsun


This sounds like the altenator belt is loose. When the altenator is under a load the magnetic field causes the altenator to require more fource to rotate. At higher engine rpms the belt can be slipping on the altenator pulley. There is one other possibility I can think of and that would be that the voltage regulator is faulty and and causing an overvoltage at higher engine speeds and therfore opening up the field circuit to prevent the altenator from over charging the battery this is a safety function of the regulator. I would check the belt first.

Mar 04, 2009 | 2005 Datsun 720

1 Answer

Battery or altenator


with the engine idling, check the voltage at the battery terminals. if its between 13 and 14.6 volts the alternator is probably ok. If its below 13V you need a new alternator. above 15V same thing.
Why did u think it needed repair? is your battery not holding a charge?

Jan 07, 2009 | 2005 Dodge Caravan

1 Answer

Something is running down the battery


fit a battery isolator till fault foundor disconnect battery when you stop.normal cause of battery discharge is diode in altenator,it allows current to earth out slowly

Nov 03, 2008 | 1998 Buick Century

1 Answer

1997 buick century runs rough and misfires


i dought it misfire run rough look more like a good tune up cheers

Jun 24, 2008 | 1997 Pontiac Grand Prix

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