Question about 1998 Chrysler Concorde
When using a tester the alternator never shows over 12.1 , battery shows full charge ,don't know what else to look for
Check to see what the voltage is at on on the large wire on the back side of the alternator. If its more than 14volts (with the car running) than put one test lead on that wire on the back of the alternator and the other test lead on the POSITIVE terminal of the battery. you should see less than .5 volts. If you see 12 volts or more than the wire from the alternator to the battery is open or has a lot of corrosion somewhere.
Posted on Nov 29, 2012
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Take it to another auto parts store to test to verify.
If you put a voltmeter on the battery when the T+C was running, it should read 14-15V.
It could have a bad diode. If this is the case the alt. will be pumping out AC instead of DC. This is BAD. Batteries do not like this and the battery will fail because of it.
Be careful in those 'auto parts stores'. I have found that they employ alot of 'kids' who know little about how a car works. Try NAPA. They are much more knowledgeable and professional. But they cost alittle more.
Posted on Jun 12, 2009
My name is Ron,I will try and help you.Was this battery on the vehicle when the original alternator was on the vehicle?If so It is possible that the alternator was the begining of all the problems.The alternator produces ac voltage,12 volts ac,like house current.This is called alternating current,back and forth as you may.Before the ac voltage can leave the alternator,it is converted into dc voltage(directional current).This dc current only moves in one direction,thats why there is a positive and a negative.Diodes cause the ac voltage to only go in one direction( dc volts) there for creating dc volts,12 volts.These diodes are made to allow current to pass threw them only one way,current can not go backwards threw these diodes,unless they burnout,then they will allow voltage to leak out ,going backwards,creating ac voltage,therfore charging your battery up and having a battery with some ac voltage,or a lot of ac voltage.If this has happenned any motors ,such as starter motors will not turn to start a vehicle,cause they do not know witch way to turn.The battery will not be salvagable.Get the battery checked ,and ask them to check it for ac voltage,They might think your crazy but it happens,more than you think,a lot of mechanics dont know this,so you may have to ask more than 3 or 4,before you get a mechanic to understand .this is just a suggestion to try.Ac voltage will cause the battery light to light up.also check battery connections at battery and alternator for looseness and black corrosion,battery terminals most likely will have this.The large post on the alternator is the out put wire to the battery,Add another battery wire or small cable to the back of the alternator to the battery and see if this does the trick.May be this will fix ya,,firstname.lastname@example.org,,,for more help
Posted on Jul 21, 2009
you have to have power to your altinator,if you dont it will not charge,check the large wire going to your alt if you have no power trace it back, usally it will go to your starter,I hope this helps you?
Posted on Oct 03, 2009
you're problem may be in the alternator or the battery to find out you will need a volt meter and have the vehicle running to test the alternator set you volt meter to dc voltage and touch the positive side with the red lead and the negative side with the black lead you should show 14 to 14.5 volts if not replace the alternator then with car off using the volt meter and test the battery the same way you should get 12 to 13 volts then wit the volt meter still hooked up to the battery with the help from someone try to start the car and see if the voltage drops below 10 volts if so the battery might be shot....hope this is helpful best regards D.Jones p.s please leave a review thanks
Posted on May 30, 2010
Testimonial: "The experts were very helpful in addressing my technical needs on the trickiest of car issues."
Tips for a great answer:
Nov 17, 2016 | Ford Cars & Trucks
Mar 24, 2015 | 1999 Pontiac Sunfire
Mar 26, 2014 | BMW X5 Cars & Trucks
Apr 01, 2012 | Cars & Trucks
Aug 19, 2010 | 2003 Chevrolet Venture Passanger
Apr 20, 2010 | Renault Sport Cars & Trucks
Dec 12, 2009 | 1997 Volvo 960
Sep 13, 2009 | 1997 Ford Taurus
Jul 12, 2009 | 1995 Chevrolet Caprice
Nov 06, 2017 | 1998 Chrysler Concorde
107 people viewed this question
Usually answered in minutes!