bad ground?
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=30053
Printed Date: July 19, 2025 at 4:53 PM
Topic: bad ground?
Posted By: godsegoizhuge
Subject: bad ground?
Date Posted: April 09, 2004 at 1:38 PM
Ok, here's the deal. Got an amp/sub installed in an 04 grand am. Well i hooked the turn on lead to the ign. lead and it comes on, but there's a really bad wurring noise. Could this be a bad ground or what? I tried moving the ground wire, but it still has it. Any suggestions on what i can do to fix this?
Replies:
Posted By: customsuburb
Date Posted: April 09, 2004 at 2:08 PM
Is your power cable next to your rca cables going to your amp? This can cause interference. I've also heard that sometimes if you use the ign. lead for turn on lead for your amp you get interference. Try jumping a cable directly from your turn on lead terminal on your amp to the power cable going into your amp.
Posted By: godsegoizhuge
Date Posted: April 09, 2004 at 2:24 PM
I'm using the high input instead of the low level input, also tried jumping a wire from the positive to remote on and it still gets the interference. This is the 1st time i ever came across a situation like this. Usually i just install the amp running off an aftermarket deck and not the OEM.
Posted By: forbidden
Date Posted: April 09, 2004 at 2:53 PM
What amp is this? and in what vehicle?
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Top Secret, I can tell you but then my wife will kill me.
Posted By: godsegoizhuge
Date Posted: April 09, 2004 at 3:19 PM
it's an spl-1500 watt and it's an 04 grand am.
Posted By: customsuburb
Date Posted: April 09, 2004 at 5:31 PM
Try using an LOC instead of the high level inputs and see if you still get interference.
Posted By: godsegoizhuge
Date Posted: April 09, 2004 at 6:46 PM
got it finally figured out. just went ahead and used an loc instead and now it works fine.
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