I have a 07 suburban LTZ and every time I put my signal light I get a buzzing noise in my rear speaker. It also does it with the RPMS of the engine what can it be?

Asked by Aug 31, 2012 at 09:45 AM about the 2007 Chevrolet Suburban LTZ 1500 4WD

Question type: Maintenance & Repair

I have a 07 suburban LTZ  and every time I put my signal light I get a buzzing noise in my rear  speaker. It also does
it with the RPMS of the engine what can it be?

2 Answers

34,685

Electrical interference from the other wires like the alternator, spark plugs, and turn signal try relocating the speaker wires.

50

I had this same problem on my 07 suburban, it took 2+ years to figure it out and the noise got worse over time. they fixed my rear audio control in 2011, now the noise has started again---I have called GM insisting on a recall of a bad part--you need to do this so they recall the part. one person isn't enough

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