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Whistle noise when lights are on

Aj443

By Aj443
December 27, 2022 in Troubleshooting & Recalls

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Aj443

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Aj443

Posted December 27, 2022

Posted December 27, 2022

I have 2018 sierra 5.3 and whenever I have the lights on I get a whistling noise it sounds like it’s coming from the tweeters but I’m not sure but it’s coming from the front and when I accelerate it gets louder anyone have a similar issue?

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rav3

Posted December 27, 2022

Posted December 27, 2022

Aj443

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Aj443

Posted December 28, 2022

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Posted December 28, 2022

On 12/27/2022 at 7:15 AM, rav3 said:

thank you man i will try this

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