Question about 1991 Plymouth Sundance

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Overcharging batery - 1991 Plymouth Sundance

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Your ecm is bad as the regulator is built in its not stopping the alternator from charging it should be on the driver fender under the hood its a common issue either charges too much or not at all

Posted on May 06, 2010

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Posted on Jan 02, 2017

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I have a 2006 x5 4.8, my battery kept running dead and and most of the warning light would come on. I changed the battery, i left the country for a month and put the car int the garage on a trickel...


also the batery in the vehicle has to be registered to the car. this means you have to go to the dealer to register it. it requires this because the car learns the charging charactreristics of the battery and charges it accordingly. if not registered, the battery will either under charge or overcharge.

Jun 30, 2012 | BMW X5 Series Cars & Trucks

1 Answer

Put a new alernater an still over charging


Over charging could be the result of several things including:
    Faulty Voltage Regulator
  1. A car's battery will overcharge if the voltage regulator isn't working correctly. A voltage regulator is usually part of the alternator, and is used to keep a steady flow of voltage to the battery. If the voltage regulator is defective, it will send either too little or too much charge to the battery. If it sends too much, the car battery will overcharge. The voltage regulator is easily replaceable at an easily affordable price, sometimes for as little as twenty dollars, as of 2009.
  2. Faulty Alternator
  3. Sometimes the alternator itself can be at fault. The alternator is the device that converts the mechanical power of the engine into electrical power to charge the battery. When an alternator breaks, it usually stops creating electricity for the battery, which will then eventually die. However, if the wrong alternator is placed in the car, or if the alternator is running at the wrong pace, it will create too much energy for the car battery, causing it to overcharge. The alternator is another easily replaced part.
  4. Incorrect Charger Use
  5. If a battery charger is used to charge your battery outside of your car, improper use of the charger can result in overcharging. If a battery is placed on the charger too long, it can result in overcharging, and a significant decrease in your battery's lifespan and efficiency. This is why it is important to read about your specific battery and understand how long it needs to charge to be effective. Too much charge will lead to problems.
  6. Faulty Battery Chargers
  7. Sometimes chargers can be faulty. Their settings may be wired incorrectly, or the charges labeled incorrectly. As a result, your battery may be getting overcharged, even if you are carefully monitoring your charging. This is a problem that is hard to avoid, as manufacturing mistakes can happen anywhere, anytime without warning. It is a good idea to test your charger regularly to see if it is running correctly.
  8. Heat
  9. Extreme heat in the summer can also have an adverse effect on the car battery. If the battery has been previously overcharged, extreme heat can increase the problems caused by overcharging, and exacerbate any other problems with the battery. This problem can be hard to avoid if you live in a warm climate. The only real way to ensure safety against this problem is to avoid overcharge in the first place.

Feb 27, 2011 | Ford Expedition Cars & Trucks

1 Answer

Car is noy charging batery


check the wiring from the alternator to the battery there is a fusible link located in the wire to prevent the battery from being overcharged. if the fusible link has blown it will not charge the battery

May 04, 2010 | 1998 Pontiac Sunfire

1 Answer

Lights pulsating


use a volt meter at the batery, check the input with the the car at idle. then check again at 1500 rpm. If the volts go any higher than 13.7 then your alt. is getting ready to go & the overcharge is what makes the lights flicker

Mar 25, 2010 | 1995 Mercury Villager

1 Answer

I have a ford explorer ltd 95 and yesterday when


Easy way to check. Crank the vehicle while running remove one of the battery cables from the battery if the ingine dies your alternator is bad. I'll bet it is the alternator.

Oct 24, 2009 | 1997 Ford Explorer AWD

1 Answer

Battery overcharges and light is on


Never saw a charging system problem cause anyone to fail inspection. But, overcharging will cook the water out of your battery and can damage the computer system if not taken care of. Overcharge can be caused by either a grounded alternator field wire or a bad regulator. Since the condition appeared after replacing the alternator it too is suspect as an internal grounding can also cause that.

Jul 20, 2009 | 2003 Ford Focus

1 Answer

My batery is geting 18 volts of charge


take your alternator off and have your local auto zone or advance test it!! Sounds like it is forcing through the regulator and over loading the battery

Dec 07, 2008 | 1988 Chrysler Fifth Avenue

2 Answers

Electrical


Hi,

These two faults (no charge & battery drain) indicates a fault with the alternator specifically either the voltage regulator or any of the diodes. Though it is possible to repair them individually, it is more to your advantage to replace the whole alternator.

Pls be reminded though that the battery + terminal is directly connected to the alternator's output and therefore safety precautions preclude that the battery terminal be removed. However, doing so could and would reset the car's computer. Additionally, most car stereos would require a security code in the event battery terminal is removed.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 21, 2008 | 2000 Mitsubishi Montero Sport

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