2005 Electric Issue

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Jun 18, 2018 | 07:15 PM

CorvetteCowboy

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2005 Electric Issue

I just purchased a 2005 coupe for my girlfriend. Automatic with a Z51 package. Car has an aftermarket exhaust (corsa) on it. Car runs real nice however after sitting for a few days it kills the battery.

Anyone have any ideas why?

Jun 18, 2018 | 07:38 PM

rvsullivan

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From: Ashburnham MA

St. Jude Donor '20-'21,'24-'25

How old is the battery??

Jun 18, 2018 | 08:36 PM

EVRose

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From: Las Vegas NV

You must always put it in reverse before shutting off.

nevermind. I see it's auto.

Last edited by EVRose; Jun 18, 2018 at 08:38 PM.

Jun 18, 2018 | 09:27 PM

CorvetteCowboy

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Brand new, there is a unknown power drain in car

Jun 18, 2018 | 09:47 PM

EVRose

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From: Las Vegas NV

You could put a multimeter on the battery and start pulling fuses and look for a voltage change.

Jun 18, 2018 | 09:50 PM

ruxvette

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Quote:

Originally Posted by EVRose

You could put a multimeter on the battery and start pulling fuses and look for a voltage change.

Usually the on-star. However, I think there was a DBS (dead battery syndrome) on '05's that called for a computer re-flash. Make sure your has had it done.

Jun 18, 2018 | 10:02 PM

EVRose

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Quote:

Originally Posted by ruxvette

Usually the on-star. However, I think there was a DBS (dead battery syndrome) on '05's that called for a computer re-flash. Make sure your has had it done.

That was my first thought too but that was for M6. He has A4.

Jun 18, 2018 | 10:33 PM

martinf55

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More electric issues to come.

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Jun 19, 2018 | 12:55 AM

ruxvette

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Quote:

Originally Posted by EVRose

That was my first thought too but that was for M6. He has A4.

Pull relay #46?

Jun 19, 2018 | 01:10 AM

#10

owc6

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From: Chirper Island

Quote:

Originally Posted by ruxvette

Usually the on-star. However, I think there was a DBS (dead battery syndrome) on '05's that called for a computer re-flash. Make sure your has had it done.

I thought Onstar was no longer supported on the '05. Which may mean nothing, or there is a draw from that no longer being "minded."

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