Question about Kicker 05C104 Car Subwoofer

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Subwoofer Ground Wire Problem

I have a two kicker competition 12" subwoofers in a box in my trunk, connected to a 1200 watt, 4 ohm sony xplod amp...and I do not believe either of these to be the problem in the rumbling(exhaust like) sound coming from my speakers, even when the volume is down. Music plays as normal, this extra noise is just bothering me...I believe it may be the ground wire...I have the ground wire screwed down in my trunk underneath the carpet...would ground wire placement be a good thing to try?

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Re: Subwoofer Ground Wire Problem

I had the same problem with my kickers, as it turned out it was my head unit. my amp had sent a shock back to the head unit through the rca cables. there isnt a way to fix this. if you are one of the lucky ones to have more than one set of RCAs out of the back of your radio, try switching them. as for me i had to replace my head unit, because i only had one set of RCAs. best of luck

Posted on May 01, 2009

Re: Subwoofer Ground Wire Problem

Your Power and RCA cables should be run on oposite sides of the car. Or the rac wire will pick up some interference and such

Posted on Jun 30, 2008

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Re: Subwoofer Ground Wire Problem

There is also the possiblity of a ground potential problem you could try running a wire from the ground point of the amp to the rear of the head unit, in this way both components have the same ground potential....second , I would take the ground loose a the point you have connected to the vehicles chassis , i then would prepare the surface by sanding a quarter <25 cent piece> area and using two washers and nylon insert lock nut, and a bolt to securely fasten your ground ,,,,also I would use a grounding wire equal too or 2x teh ga you are using for your power < battery > cable.....and lastly I would reduce the input sensitivity to your amplifier, because if u have them turned up < more sensitive> the amp will amplify abient electrical noise present in your vehicle... if this helps let me know , if it does not let me know...

Posted on Apr 04, 2007

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