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Q:

why does my battery come on but alt is charging battery on 2002 Ford Windstar

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
lights flicker when u use in buttons like the locks or windows does this van have a voltage regulator
(1) Answer
Alternator may be charging battery but, it also may be charging at a lower level because it is worn out and about to go bad. It no longer is producing enough power. Need to have it tested for proper power generation.