Battery drains Went to AZ to get battery checked?

Tiny
PACKERS27
  • MEMBER
  • 2013 CHEVROLET CAMARO
  • V6
  • 2WD
  • AUTOMATIC
  • 117,000 MILES
Went to AZ to get battery checked and they said is tested good, so they did a test for the cranking amps and it was showing 600. They told me that I needed 800 to crank the car so I bought a 1000 CCA battery. Now, 3 weeks later my car won't crank again. It only takes a touch of booster cables it seems and it fires up. It doesn't do this all the time. There's nothing left on to drain the battery. The battery is on the trunk. All connections are good. If I wait 12 hours to crank the car it's fine but 25 hours its a no go. Seems like a parasitic drain? Thoughts?
Monday, November 11th, 2024 AT 8:37 PM

7 Replies

Tiny
PACKERS27
  • MEMBER
  • 219 POSTS
Also, sorry for the typos.
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Monday, November 11th, 2024 AT 9:21 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
No worries, Does the car have a CD player? if so I have seen a CD get stuck and drain the battery, also, check for the glove box or vanity mirror light that is staying on. Also, make sure there is nothing plugged into the accessory sockets. Please go over this guide which should help show you the easy stuff:

https://www.2carpros.com/articles/car-battery-dead-overnight

Please go over this guide and get back to us.
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Tuesday, November 12th, 2024 AT 12:58 PM
Tiny
PACKERS27
  • MEMBER
  • 219 POSTS
There was no lights on anywhere. Nothing plugged up into the ports. There are no sticky switches and there is no CD in the CD player. I have a blend door that's been out for about 3 years now and there's no sound coming from it. I'm convinced that's not the issue. What is next?
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Tuesday, November 12th, 2024 AT 3:38 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Lets try removing the AC compressor relay which I have seen stick on and drain the battery, here is the location just remove it and try the car for the next day or two. Here is the location which is in the fuse panel under the hood. Also, feel the alternator with your hand when the car has been sitting to see if it I warm. Check out the images (below). Please let us know what happens.
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Wednesday, November 13th, 2024 AT 8:14 AM
Tiny
PACKERS27
  • MEMBER
  • 219 POSTS
Yes I did all of that and it checked out fine. So here is some more information about what's going on and you may need to think way out of the box here because what I'm about to tell you is very strange. When I went to AutoZone, and they told me that the battery seems to have a bad cell in it then I bought a new one. After about 3 weeks I started having these issues. Now here comes the crazy part. I'm one of the first ones at work in the morning and I park in the same exact spot every time. I work for 8 hours a day and if I don't go outside on my lunch break to crank the car then it is dead after 8 hours. It has done this for many consecutive days. I have absolutely no issues cranking the car when I'm at home. I don't go anywhere else. I thought someone was messing with my car and I checked their surveillance and there is no one messing with it. There are no structures nearby like Transformer poles, overhead wires or even parking lot light posts, nothing. There's absolutely nothing in my parking spot. People that parks next to me don't have any issues. I started parking about 20 ft over and I have not had an issue since and that's been a few days now. I thought maybe this could be a major coincidence but I don't think so because I'm at home more than I'm anywhere else and I don't have any issues. My car stays parked outside and not in the garage so it's not a weather thing I don't believe. Have you ever heard of such thing?
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Wednesday, November 20th, 2024 AT 9:23 AM
Tiny
PACKERS27
  • MEMBER
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?
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Thursday, November 21st, 2024 AT 8:42 AM
Tiny
KEN L
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Nope, that is a good one! There is nothing I have heard of that would cause this. Let's run a CAN scan to see if any codes are stored. You can get a CAN scanner (Controller Area Network) which will work on most cars from Amazon.

Here is a video to show you how:

https://youtu.be/u-4syLc-ifQ

Please go over this guide and get back to us.
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Thursday, November 21st, 2024 AT 10:56 AM

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