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1996 Toyota RAV4 total electrical failure

Tiny
PANTAL
  • MEMBER
  • 1996 TOYOTA RAV4
  • 2.0L
  • 4 CYL
  • FWD
  • MANUAL
  • 73,000 MILES
On 3 occasions in one month,
after replacing battery and alternator
and performing charge system output tests
the battery(ies) went so dead they would not hold a charge.
All work done by dealership mechanics.

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Saturday, November 30th, 2013 AT 11:03 AM

5 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Was the battery tested at all for condition and load test. It stil may be a bad battery or you have a parasitic draw. Both of those tests should be done.
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Saturday, November 30th, 2013 AT 1:03 PM
Tiny
PANTAL
  • MEMBER
  • 3 POSTS
Thanks for the reply.

Alternator output test and parasitic drain test performed 3 times on new batteries and 1 new alternator.

I wonder what is next?

Pa
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Saturday, November 30th, 2013 AT 2:50 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Was the battery testedfor load test and condition? Just because it was replaced a few months ago doesn't mean it's any good.
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Saturday, November 30th, 2013 AT 3:32 PM
Tiny
PANTAL
  • MEMBER
  • 3 POSTS
Thank you for replies.

The battery is 6 days old; the alternator is 12 days old. I don't think they are suspect.
Toyota mechanics have performed load and at-rest tests and parasitic drain test.

RAV4 is at the dealership service dept. Over the weekend to see if further drain of the battery happens.

I'm at a loss to imagine what's next.

Pa
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Sunday, December 1st, 2013 AT 11:16 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Then the normal suspects that used to be were underhood, trunk and glove box lights, not sure yours has that or not.
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Sunday, December 1st, 2013 AT 12:46 PM

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