Hello and happy holidays... Hey with my 07 Tahoe.

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KOTAHOE

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Hello and happy holidays... Hey with my 07 Tahoe, I'm getting a battery drain, if I don't drive for like 2 days it dies. I have to keep the battery unplugged so it wont die on me... any thoughts what it could be? Thanks...
 

Geotrash

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Hello and happy holidays... Hey with my 07 Tahoe, I'm getting a battery drain, if I don't drive for like 2 days it dies. I have to keep the battery unplugged so it wont die on me... any thoughts what it could be? Thanks...
You'll get a better response if you post this in the 2007-2014 section.

First thing to check is any aftermarket accessories that are installed. Then, are the lights staying on, brake lights staying on, anything plugged into the cigarette lighter ports, etc. The lighter ports don't switch off with the ignition. After that, the troubleshooting is one circuit at a time for parasitic drain.
 

Fless

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There are many good resources for diagnosing a parasitic draw. Here's one of many:


Also, a thermal imaging camera, if you have access to one, might be helpful:

 
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