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common 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=65161
Printed Date: May 18, 2025 at 7:22 PM


Topic: common ground

Posted By: piggypigs3000
Subject: common ground
Date Posted: October 28, 2005 at 1:13 AM

Is it possible to hook up a new head unit to a common ground system?  Can you hook up all the negative speaker outputs to ground and there rest of the wires as you would normally?  I don't think that you can make this work but I thought I would see if I can get any help.          What about using a psi2, has anybody used one for a common ground.



Replies:

Posted By: geepherder
Date Posted: October 28, 2005 at 7:58 AM

To put a new head unit into a vehicle with a common ground setup, you need to run new wires to all the speakers.

When I was installing professionally, a guy brought his boat to me, which had a common ground setup and he asked me about upgrading the speakers.  I told him I could do it, but he needed to upgrade the deck also.  He said he was trying to save money and only wanted to upgrade the speakers.  I told him it would play for a little while and quit.  He didn't care.  A couple weeks went by and he came back to upgrade his deck and speakers because it had quit like I told him it would.



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My ex once told me I have a perfect face for radio.


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