Mechanics

DO I NEED A NEW BATTERY OR ALTINATOR

2004 Ford Mustang • 70,000 miles

Battery light comes on when I have AC on and go over 2K rpm
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Cbwing88
July 8, 2012.



Have the alternator checked. It should be putting out 14 to 14.5 at 2000 rpm.

Roy

Check the beltings and harmonic damper as well.

KHLow2008
Jul 8, 2012.