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dead battery drain problem

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Old Aug 18, 2021 | 06:58 PM
  #81  
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I live in a townhouse development with an assigned parking place, so I'll need a solar trickle-charger that can rest on the dash and plug into the "cigarette-lighter" jack.

I thought a clamp meter was only for AC current. (Shopping on the Lowe's website seems to confirm that.) But I could use a regular multimeter with alligator-clip leads.

But it's in my mechanic's hands now, and after twenty years with him, I trust his judgment....
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Old Aug 18, 2021 | 07:31 PM
  #82  
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Originally Posted by Westy R
I live in a townhouse development with an assigned parking place, so I'll need a solar trickle-charger that can rest on the dash and plug into the "cigarette-lighter" jack.

I thought a clamp meter was only for AC current. (Shopping on the Lowe's website seems to confirm that.) But I could use a regular multimeter with alligator-clip leads.

But it's in my mechanic's hands now, and after twenty years with him, I trust his judgment....
They make DC clamp amp probes I have two of them. You can find them on ebay. Yes they have a solar powered charger with suction cups to attach on the inside of the window. However you will need a regulator for it, because it can over charge your battery which is also not good.
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Old Aug 18, 2021 | 07:44 PM
  #83  
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Oh the solar regulator also known as a solar controller I have one and a solar panel with the suction cups, I never used it just got it in case I park at a air port, I use the tickle charger while parked in my garage it has a built in regulator and keeps the batter voltage at 12.9. A fully charged battery is 13.25 volts.
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Old Aug 30, 2023 | 12:27 PM
  #84  
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Have 2006 Corvette. Battery runs down. have a 3 or 4 amp drain with a meter on the battery. I think something in audio is staying on. I have pulled the fuse and it helps.
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Old Aug 30, 2023 | 12:42 PM
  #85  
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I have a 2006 Corvette. Battery is running down, Have an amp meter to the battery and found a 3 or 4 amp drain. Pulled the fuse to the audio and it helps.
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Old Nov 5, 2023 | 09:25 AM
  #86  
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I appreciate your comments. I agree with them. A tender is a bandaid on a wound that won't heal. I have a 09 C6 with 125k on it. I just rebuilt the engine. I have had dead battery issues only I the last few years. I have replaced my battery 4 times in the last 3 years. All under warranty; they simply don't outlast the warranty.

I asked the dealership to look into it a few years ago and they found nothing. I am worried that it is my ECM. I have had a few electrical issues replaced the starter alternator, pedal.

I like the fuse idea to track the source...
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Old Nov 5, 2023 | 04:24 PM
  #87  
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If nothing else seems to be the cause of the parasitic draw, it could be a bad diode in the alternator which is draining the battery when the car is shut off.
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Old Nov 5, 2023 | 04:46 PM
  #88  
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Originally Posted by ddartford
I appreciate your comments. I agree with them. A tender is a bandaid on a wound that won't heal. I have a 09 C6 with 125k on it. I just rebuilt the engine. I have had dead battery issues only I the last few years. I have replaced my battery 4 times in the last 3 years. All under warranty; they simply don't outlast the warranty.

I asked the dealership to look into it a few years ago and they found nothing. I am worried that it is my ECM. I have had a few electrical issues replaced the starter alternator, pedal.

I like the fuse idea to track the source...
Originally Posted by 4SUMERZ
If nothing else seems to be the cause of the parasitic draw, it could be a bad diode in the alternator which is draining the battery when the car is shut off.
Pull the OnStar fuse in the fuse box under the passenger's feet. OnStar is dead, has been for a year or more.
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Old Nov 6, 2023 | 12:39 PM
  #89  
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Originally Posted by 7795TAs
Do a search on dead battery, there is a lot of info on this topic. After doing a search, I decided to get a battery tender. I just bought my vette a couple weeks ago so I hope my battery will last.
I have an 06 convertible with the same problem. I have placed an amp meter on the negative side battery cablel with it disconected. I am pulling 3-5 amps, pulled fuse to the audio and it helps.
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