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:angry:
Hey All,
My wife’s 2008 Gmc Envoy Deanli every once and a while will have a bad noise coming from the passenger back door. I can hear alternator noise through the speaker when this happens. This happens once once and a while. When my wife turns off the truck for a while the noise will go away. I have cleaned the negative battery cable a while ago and this solved some there issues but not this one. I have read several different posts on other forums. I read there is a wiring harness that runs under the back seat and through the console but my symptoms are not always the same as what is described. Any help would be great.
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Try installing a ground loop isolator.
Or, gain access to the speaker to make sure the connectors at the speaker are still tight.
Otherwise, it may be a preamp grounding issue in your head unit on the left rear output.Sent from my iPhone using Tapatalk
I have found this:
http://forums.trailvoy.com/showthread.php?t=39301
I cleaned the contact with crc contact cleaner and put Di-electric grease as was described above. This appears to be a big issue with my truck.
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