Question about 2003 Ford Expedition

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Ford Expedition Battery and system charge warning

I have a ford Expedition EB 2003. the battery light and system charge light came on then the truck cut off. I replace the battery and alternator and the battery and system charge light will not go off.

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  • Anonymous Nov 11, 2008

    2003 Ford Expedition, has new alternator and battery charging 14.3 volts, but the battery light stays on and the check charging sytem light stays on and will not reset? How do you reset it? Please advise.

  • ctrammel Feb 24, 2009

    I have an o4 Expedition it has a new alternator and battery charging 14.3 volts but the battery light and the check charging sytem light stays on

  • Anonymous Mar 24, 2009

    I have the same problem. The battery lamp stays on. New Battery and alternator. Ford dealer says it needs a new computer for $850.00. But everything else works perfectly 2003 Ford Expedition EB.

  • Anonymous Apr 28, 2009

    i have the same model, 03 expedition with charging light coming on all of a sudden.

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If he replaced the battery that would have cleared the code. There is another issue. Was the alternator aftermarket? Just becuase it is new does not mean good. Those are easy to install I would return it to where you got it and try another.

Posted on Mar 14, 2009

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  • 52 Answers

The error code has to be reset by an obd11 scanner tool which some of you buddies might have or the dearlership

Posted on Jan 17, 2009

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fordfixer
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SOURCE: Ford 2003 Expedition EB. Check Charging System

Its probably the alternator. It will need to be tested on the vehicle with the engine running and the light illuminated. Measure the battery voltage with the engine running. It should be at least 13.5 volts. If it is lower have the alternator tested at a shop with a charging system tester.

Posted on Feb 27, 2010

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I HAVE A 2003 FORD EXPIDITION NEW BATTERY ALTERNATOR HAS 14.0 CHARGE WHILE RUNNING HAVE TO JUMP IT EVERY TIME WILL KEEP A CHARGE


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I have a 99 ford expedition eb ive had the battery n alternator tested both reading at the right volts but the battery keeps dying.... ive made sure every thing was tight n where they should be n...


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You can try disconnecting the negative battery cable and see if the battery stays charged when the engine is off.
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Ford 2003 Expedition EB. Check Charging System


Its probably the alternator. It will need to be tested on the vehicle with the engine running and the light illuminated. Measure the battery voltage with the engine running. It should be at least 13.5 volts. If it is lower have the alternator tested at a shop with a charging system tester.

Feb 27, 2010 | 2003 Ford Expedition

1 Answer

Battery light is on after alternator change


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Feb 20, 2010 | 2003 Ford Expedition

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2 Answers

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I had the same issue with my remote start on another vehicle, the part that bypasses the code on the key had to be reset. The way we figured it out was everything was normal except the vehicle did not start & the security light flashed rapidly.

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