Question about 2003 Lincoln Navigator

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Chrging system error

I received a charging system error on my 95 continental. I replaced the battery and the alternator and still won't hold a charge. Help!!

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Simple test after you start it.. unhook the battery. if it keeps running it is the battery.... if the motor dies it's the alternator.


Posted on Sep 09, 2008


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Dash lights are dim and while drivin they go out car sputters and dies oreilley says alternator bad mechanic says it's charging so they charged baterry I drove it one day then same thing it died and then...

I suggest O'Reilly's checked more than your mechanic did. Just because he says it is chrging does not mean he checked the diodes, which if bad allow the battery to drain whenever the vehicle is not running. Replace alternator.

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Replace mega fuse

Buy a voltohm meter to test voltage at battery. Should be 13.8 to 14.2 volts. Sometimes need alternators need to be "enegized".

Mar 30, 2014 | 2002 Lincoln Continental

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Car will not hold charge

I will try and answer this. Most responses you will receive will have you looking for a drain in the system. Very well could be that.

But you said when Jumper cables are removed it does not charge. I have not heard of this in your Year of car, but witnessed it myself in a 2004 F150. There is a circuit called a "battery saver". Its job is to disconnect a battery drain to preserve the battery. What can happen is the Alternator uses power to make and generate even more power.

When a battery is not fully charged it needs a higher rate of charge and the Alternator may be viewed as a parasitic drain. The battery saver activates and disconnects the charging circuit. It can cut off at even 70MPH. I have seen F150's charge for about 5 minutes after removing a jumper and then cuts the battery charging circuit.

You need to be sure the battery is 100% charged. You need the car checked for things like the Diodes and starter draw. If you take the Alternator or Starter for a bench check it will not show how the wiring is working in the car. It is best to check the whole car.

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1 Answer

Battery will take a charge from a charger, but will not charge from driving. Alternator is ok

the alternator charges the battery thru the heavy lead on the back of the alternator that goes to the battery. make sure it is clean and tight. the alternator output should be 13-15 volts with engine running.

Apr 16, 2013 | 2002 Lincoln Continental

1 Answer

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voltage regulator. it may be in the alternator, or remote mounted. ((the alternator can be charging, but if voltage regulator is'nt working then it won't allow voltage to get back to the battery to keep it charged

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Sounds like battery not holding charge. Or a light staying on, boot or glovebox? Most likely battery tho.

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Where is the voltage regulator located on a 2002 lincoln continental, car battery not holding a charge

Voltage regulators are electronic, internal on most units, now days, and not adjustable. Look for failed diodes. Easiest to pull the alternator and bench test it..

Oct 15, 2010 | 2002 Lincoln Continental

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Bad alternator or bad battery. Jump start it and go to an auto parts store and have them test your battery and alternator. Pray its the battery. My alternator was $399, and that was if I installed it my self.

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1995 lincoln continental charing problem

try checking the fuseable link if it gets hot it can cause the car to shut off it is located in the one of the power wires coming off of the alternator pigtail.

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check the air ride suspension system if that is causing the problem the car maybe trying to lift the rear end and it will cause the battery to lose charge check in the trunk for a shut off switch and see if that helps

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