Question about 1990 Mitsubishi Mighty Max

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REPLACED THE ALTERNATOR BUT THE BATTERY WILL NOT CHARGE

BATTERY WILL NOT CHARGE BUT BATTERY WILL CHARGE IF BUT INTO ANOTHER VEHICLE

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In this year , there may be an external VOLTAGE
REGULATOR .Instead of an internal regulator inside the alternator. It is usually a square box to the passenger side attached to the fender inside wall. Try replacing this box with a known good one. Or new one if you can get it right away.

Posted on Dec 22, 2008

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Check the alternator

Posted on Dec 22, 2008

  • Jalal Sordo
    Jalal Sordo Dec 22, 2008

    check the alternator

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Your car must not be charging did you start it and check the volts on the battery you should be getting min 13.2 max 14 if any lower your alt is not charging check all the fuses there should be an alt fuse

Posted on Dec 22, 2008

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SOURCE: replace old alternator battery stil not charging

check 200 amp mega fuse on back of intake

Posted on Jul 02, 2009

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SOURCE: Alternator does not charge battery. Alternator light glows.

check for an inline fuse between the alt and battery,otherwise take a jumper cable from the positive terminal on the battery to the alt. battery terminal output direct and now check for charge

Posted on Mar 13, 2010

  • 193 Answers

SOURCE: Charging Light On After Replacing Alternator/Battery1999Windstar

Hi, I can't tell you exactly what is wrong because there is too much involved at this point, what with 2 shops working with it, but I can give you some advise on what else to check. On the alternators and the wiring that supports them a small volt charge is taken off one of the slip rings, where the brushes ride, for the purpose of turning out the light. As I remember, this is a yellow wire that runs back to the dash.

To the alternator, it would be one of the wires that plug into the side of the alternator case.
jetski

Posted on Nov 27, 2008

Blackberry_U
  • 223 Answers

SOURCE: replaced battery and alternator and still the battery light is on

Sounds like a short. Check to see if it is grounded properly.

Posted on Jun 03, 2009

  • 1 Answer

SOURCE: 1985 Ford Bronco.....alternator will not charge

MY NA ME IS MAGICBROOM58, HAVE YOU TRIED .. I THINK IT'S ON THE FIRE WALL PASS. SIDE (CILINOID) TAKE THE RBBER OFF THE POS. AND TURN YOUR EGNITION OVER TO THE ON POS. GO BACK UNDER YOUR HOOD AND TAKE A RUBBER HANDLED WRECH?SCREW DRIVER AND CONNECT THE 2 POINTS IF IT TURNS OVER U FOUND YOUR PRBLEM

Posted on Jan 21, 2011

6ya6ya
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Posted on Jan 02, 2017

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No light can come up including ignation key


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Depends.
If the alternator is charging, and the battery will not hold a charge, I would suspect the battery.
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If the vehicle is not even running or begins to die after as you say an hour that means you still have a charging problem. basically the only reason the battery is there is to start the vehicle. The alternator/charging system is what runs the electrical system in the vehicle. In the power distribution box (a fancy name for a fuse box) under the hood of the vehicle there is a fuse for your charging system. Below is a picture of the layout of the fuses in the panel under the hood of the vehicle in the engine compartment. I marked the fuse you need to check. It's a 15 amp fuse and will cause the same thing as if the alternator was bad. I hope this helps.

11_7_2011_12_53_30_am.jpg

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Been having problems when starting vehicle, battery wont charge


Battery are in most case only good for 4 years and after that they can no longer hold a charge. Have the truck boosted to start the engine, you may need to let the battery charge up for 120 min before trying to start the truck.
Once started, check the voltage at the battery, you should have a reading of 13.5 to 14 volts. If you have less then 13.5 volts, you most likely have a bad alternator and needs to be replaced.
If your readings are good and there is 13.5 volts, your battery is bad and needs to be replace. The battery can no longer hold a charge and at worst there is a short in the battery it self causing it to loose charge like leaving a light on.
Thank you for using fixya and good luck.

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Battery won't hold charge. replaced battery with new one approx 3 weeks ago. out of blue the battery lost charge to turn over, but lights, radio ect would come one. was able to start with a jump.


Could likely be your alternator. There is the possibility that the new battery is bad as well, but it's more likely that the alternator is going bad and unable to provide sufficient charge for the battery and other vehicle components.
One way to test this is, with the vehicle running, disconnect the negative battery post connection from the battery and notice if the engine shuts off. If the alternator is good, the engine will continue running.
If you suspect the alternator is the problem, you can take the vehicle to a local Advance Auto Parts store and they will check it free of charge.

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Battery is dead in my 2003 honda accord coupe and radio is off....my vin number is 1HGCM72233A026049 MY EMAIL IS SEXYRED28@HOTMAIL.COM


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2003 ACURA TL VEHICLE MAKES CKICKING SOUND WHEN KEY IS TURNED,


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REPLACED THE ALTERNATOR BUT THE BATTERY WILL NOT CHARGE


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well Marie the reason your vehicle is acting this way is because even though you put new battery in you still have to have a viable altenator to run the vehicle. the battery is only used to start the vehicle and run the radio and lights and other accessories. while the vehicle is running the altenator is not only suppose to charge the battery but it is suppose to supply the amprage to energize and coolapse the coil to give the vehicle spark. a bad altenator while driving doesn't charge the battery it drains it . a quick check is to have the vehicle running and then remove the positive battery cable if it dies you know it's the altenator.... please rate this and good luck keep me posted

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