problem with alt whine

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=104618
Printed Date: October 31, 2025 at 2:54 PM

Topic: problem with alt whine

Posted By: kassdog
Subject: problem with alt whine
Date Posted: May 10, 2008 at 12:09 PM

Have a 2001 Honda Civic with a deck and 4ch installed. It works fine until you push the ac or defrost button on the heater control. I already tried to reground the radio and amp but neither worked. Is there anything else I can try.

Replies:

Posted By: chillin420
Date Posted: May 10, 2008 at 12:15 PM

try running a dedicated ground fo the deck. take it off the harness and ground behind deck somewhere. if that doesnt cure the problem, run a quick ground wire from your deck to your amp ground. see if tat cures it.

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you can do it....
advanced MECP, lol does it really matter....
patience is a virtue

Posted By: i am an idiot
Date Posted: May 10, 2008 at 7:29 PM

Is this a barely audible noise, or is it loud? What kind of radio and what kind of 4 channel amp is it?

Posted By: capsisking
Date Posted: May 15, 2008 at 9:27 AM

ground your rca's

Posted By: 98neonr/t
Date Posted: May 15, 2008 at 9:53 AM

this may sound stupid but did you use the remote wire off the radio to did you find an acc under the dash for the amp turn on

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i kant spel

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