Check Charging System

Asked by Pastor_Ron_west_Sac Jun 10, 2019 at 10:23 PM about the 2004 Ford Expedition XLT

Question type: Maintenance & Repair

My wife's 2004 Expedition 4.6L had a check charging system warning and
the battery light was on. I checked the alternator and it was only putting out
14.0 vdc. We replaced the alternator and my son said he confirmed the
battery was charging however when my wife went out to start it up the next
morning the battery was dead. The battery had been fully charged and the
car was driven about 12 miles on the bad alternator. Then the alternator was
fixed and driven back about 18 miles. The check charging system is still on,
does this error have to be manually cleared after repair or once the
alternator was installed should that have cleared the warning if the battery
was correctly charging? I am sorry for being wordy or stupid but I am  just
not a mechanic.

2 Answers

140

Did you ever figure out what was wrong? My check charging system light came on I put new alternator on and the light still comes on. I have checked fuses and battery.

14 people found this helpful.
110

My check charging system and battery light comes on 2006 Ford Expedition as soon as i push reset button they go off but then comes back on a little later battery and alternator r good any idea

11 people found this helpful.

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