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Old 11-08-2016, 07:00 AM   #1
71chevmal
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2004 Radio whine

I have recently replaced both my alternator and battery.

Before I replaced the battery, I had an intermittent whine through the speakers which was directly related to engine speed but it went away after battery replacement but now it is back with a vengeance.

I'm certain it's a bad ground but I can't find any reference for ground locations on this truck.

Anyone have a source?
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2004 Yukon. 5.3L 176k+ mi
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Old 11-08-2016, 04:49 PM   #2
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Re: 2004 Radio whine

Just took both terminals off, hit everything with a wire brush, spread a thin layer of dielectric grease on and then tightened the snot out of the bolts.

No more noise for now!
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Old 11-10-2016, 11:45 AM   #3
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Re: 2004 Radio whine

Quote:
Originally Posted by 71chevmal View Post
Just took both terminals off, hit everything with a wire brush, spread a thin layer of dielectric grease on and then tightened the snot out of the bolts.

No more noise for now!
Thanks for sharing what you found!
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Old 11-14-2016, 06:50 AM   #4
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Re: 2004 Radio whine

Interesting. I would have never thought to do that!
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