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What would keep making battery die

Tiny
KELLY38
  • MEMBER
  • 2006 DODGE CARAVAN
  • 111,011 MILES
We have problems with the van, the battery keeps dying. We've had 3 brand new Interstate Batteries put in since May 2010.
Our mechanic cannot find any problems, other than battery issues.
The battery is good then 5 to 6 months later, click click sound.
Have to jump start it and it's fine for awhile, then same issues.
Advance Auto tested battery and alternator. Tested fine.
We do have alarm on car and now the automatic door locks do not work.
When you drive, over 18 mph they are suppose to lock automatically.
We have 2 sliding doors, neither lock with the auto key, you have to manually lock and un lock them.
The guy from Advance, thinks it could be a problem with a relay.
Can you help? Tired of being stranded.
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Tuesday, October 18th, 2011 AT 3:11 PM

8 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I think you have an overcharging issue that is boiling the battery and causing pre mature failure. You need another shop that can verify this for you.

Is the alarm factory or aftermarket?

Roy
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Tuesday, October 18th, 2011 AT 3:20 PM
Tiny
KELLY38
  • MEMBER
  • 4 POSTS
Thanks will look into that. And the alarm is factory.
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+1
Tuesday, October 18th, 2011 AT 3:31 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Have them look at the body control to see if there is any commands for the locks.

Roy
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Tuesday, October 18th, 2011 AT 3:32 PM
Tiny
KELLY38
  • MEMBER
  • 4 POSTS
So could it be the alternator, even though it tested as being good?
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Tuesday, October 18th, 2011 AT 3:34 PM
Tiny
KELLY38
  • MEMBER
  • 4 POSTS
Ok thanks. For all of the help.
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Tuesday, October 18th, 2011 AT 3:35 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good luck

Roy
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Wednesday, October 19th, 2011 AT 1:33 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I think you have an overcharging issue that is boiling the battery and causing pre mature failure. You need another shop that can verify this for you.

Is the alarm factory or aftermarket?

Sooner or later the battery will blow been there before
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Wednesday, October 19th, 2011 AT 1:49 PM
Tiny
THIS IS MIKE
  • MECHANIC
  • 686 POSTS
We are glad to help.
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Wednesday, October 19th, 2011 AT 4:41 PM

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