Car is Reving High when hot and flatening new battery

1991 HOLDEN COMMODORE
270,000 MILES
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SAM0204
  • MEMBER
  • 1 POST
We have replaced alternator and is still Reving High when hot and flatening the new battery causing . When car is then turned off and restarted it wont turn over.
Oct 1, 2012 at 5:56 AM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Did you test the charging of the alternator? Not all replacement parts works correctly. If there is a break in continuity between alternator main wire and battery, the altternator would be providing charge but it is not getting to the battery.
Oct 1, 2012 at 12:16 PM
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