TrailBlazer 2002-2009
2023- The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

whinning in passenger front dash speaker

Old Aug 20, 2013 | 6:04 PM
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wrenchtuner1957's Avatar
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From: Lowesville, NC
Default whinning in passenger front dash speaker

Anyone still having trouble with radio noise such as whining in the speakers?
If you are I had the same problem with a 07 GMC ENVOY that has a BOSE stereo system.. Turns out the amp was bad allowing alternator noise to come through the front passenger dash speaker.. Changed out the amp and fixed the problem. No programing required.
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