Question about 2003 Ford F150 Regular Cab

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How do I reset the battery light on 2003 f150

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By clearing the problem that the battery charge circuit is having.
Did you check the Alternator charge circuit fuse ( engine compartment fuse # 11 ) ?
IF this tests good with a meter on both sides, next is to check the harness where it plugs into the alternator, some times the contacts can get corroded
how do I reset the battery light on 2003 f150 - c475e2f.jpg
If this has power from fuse #11 above, next is to check the brushes in the alternator ( watch those springs when you check them ) :
db3ac2a.jpg

You might also need to have the battery load tested, as well as having the alternator bench tested for the RPM range.

Posted on Oct 03, 2010

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1 Answer

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I would have to say that it is. I would recommend taking it to the nearest auto parts store and having them test the battery and alternator just to be sure it's not just the battery. Hope this helps.

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disconnect the battery terminals... wait about 10 secs and reconnect... that should do it

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