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Do I need a new battery or altinator

Tiny
CBWING88
  • MEMBER
  • 2004 FORD MUSTANG
  • 70,000 MILES
Battery light comes on when I have AC on and go over 2K rpm
Sunday, July 8th, 2012 AT 3:27 PM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Have the alternator checked. It should be putting out 14 to 14.5 at 2000 rpm.

Roy
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Sunday, July 8th, 2012 AT 3:33 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Check the beltings and harmonic damper as well.
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Sunday, July 8th, 2012 AT 4:13 PM

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