Do i need a new battery or altinator

2004 FORD MUSTANG
70,000 MILES
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CBWING88
  • MEMBER
  • 1 POST
battery light comes on when i have AC on and go over 2K rpm
Jul 8, 2012 at 3:27 PM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
  • 52,796 POSTS
have the alternator checked. it should be putting out 14 to 14.5 at 2000 rpm.

Roy
Jul 8, 2012 at 3:33 PM
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KHLOW2008
  • CAR REPAIR CONTRIBUTOR
  • 41,814 POSTS
Check the beltings and harmonic damper as well.
Jul 8, 2012 at 4:13 PM
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