View Full Version : battery keep dying

03-08-11, 09:50 AM
I have a 2005 STS V6. The battery has been replace twice in the last year.
Had it back to the dealer under the warranty as well as the extended warranty. They claim they find nothing. It is now at the dealer again and he has had it for 7-8 days, and again claims he finds nothing. I heard some funny clicking noises coming from the behind the dash when you are stopped with your foot on the brake (solid) I brought this to the dealers attention.
Does anyone have this problem of the DYING BATTERY and can suggest an area that they can search In addtion are there any TSB on this problem?

03-08-11, 12:32 PM
have you hooked up anything aftermarket in your car?

03-08-11, 09:57 PM
The STS has all original equipment, no after market products
Thanks any other ideas?

03-08-11, 10:19 PM
The system is never completely off or really even in stand-by. There's an accessory power protection feature but I think your have either a significant drain or a charging system issue.

Try a different dealer or an experienced Cadillac mechanic..

03-10-11, 02:27 PM
Thanks for the information, these are things the dealer never tells you about.

I will call the dealer and have him check this out while he has the car.

Thanks again

03-10-11, 05:25 PM
I've been thru 3 batteries in 3 years and no one could find any charging system/electrical problems so I just move on.

03-11-11, 09:36 PM
Dealer called me today after I gave all the info I got from these threads.

After keeping the car for 10 days and after many tests and drives, the car finally went dead on him.

He now claims he thinks he know what the problem is and will conduct extensive tests in the area he cliams is the problem.

Keep your fingers crossed....I WILL KEEP YOU POSTED

Thanks again for all the help,

03-15-11, 10:56 PM
He's had your car for 10 days !!! Holy crap, I would be super pissed !

03-15-11, 11:05 PM
What did they give you to drive?

03-20-11, 07:38 AM
The problem was located and the starter as well as the battery cable were replaced due to very high resistance causing the battery to drain and die.

The replacement car was a CRUZE but i also have another car to use.

The repairs were done at no charge.

Thanks for all the help