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Posts: 1
Registered: ‎02-08-2022

Battery Drain After Subwoofer Installation

Hi, about 1 month ago I had a small powered subwoofer installed in my car by Best Buy in Murrieta CA. 

Now I am having battery issues where the car does not start and even after jumping the car and driving around a bit the battery dies overnight.

After inspecting the battery I noticed they wired the speaker directly to the positive terminal. 

I am reasonably certain the installation is causing a parasitic drain on my battery. How can I get this resolved?

Posts: 138
Topics: 1
Kudos: 22
Solutions: 7
Registered: ‎11-08-2021

Re: Battery Drain After Subwoofer Installation

Hello, tschneid, and welcome to our online community!


Thank you for posting on our forums regarding your experience.  Having a negative experience from an installation would be frustrating. I can understand wanting this addressed. I'd like the chance to follow up on this and assist. To ensure we investigate all our available options to assist you. I will need to verify some information, could you please send me a private message that includes your:


Full name

Email address

Phone number

Customer Service Pin (located bottom of receipt) or Order Number


I'll keep an eye out for your message.



Rich|Social Media Specialist | Best Buy® Corporate
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