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Battery runs down if car is not run every day

Tiny
SEMPERFI7377
  • MEMBER
  • 1998 PONTIAC GRAND PRIX
  • 160,000 MILES
Particularly in the winter, if I do not drive this car every day, the battery loses it's charge. I have had the alternator checked out and have replaced three batteries in the last 3 years. Have taken it to 3 service shops with no luck finding. An answer
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Sunday, November 6th, 2011 AT 5:23 AM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be an excessive parastic draw-get a battery drain test done-
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Sunday, November 6th, 2011 AT 5:36 AM
Tiny
SEMPERFI7377
  • MEMBER
  • 3 POSTS
I have done that at two of the shops I took the car to but they said it did not show a problem. Anything else?
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Sunday, November 6th, 2011 AT 7:37 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could a problem with the computer controlled of the alternator's fuel generation circuit-
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Sunday, November 6th, 2011 AT 7:42 PM
Tiny
SEMPERFI7377
  • MEMBER
  • 3 POSTS
How would you check this out?
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Sunday, November 6th, 2011 AT 8:06 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check for an open and shorted wire on the red wire from the alternator to the computer
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Sunday, November 6th, 2011 AT 9:16 PM

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