what is making my grounds melt

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Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=112708
Printed Date: May 09, 2025 at 8:39 AM

Topic: what is making my grounds melt

Posted By: the_one369
Subject: what is making my grounds melt
Date Posted: March 26, 2009 at 10:54 PM

i smelled smoke then amps turned off and this is what i found. i tried to upload a pic but can't seem to figure it out. I have 2 ground cables that come together at my grounding point. Im just wondering what went wrong with my grounds. The cables themselfs melted a little bit and that is what caused my fuse to pop im just thankful that my fuse popped and everything is still in working condititon. any ideas why my grounds melted?

Replies:

Posted By: speakermakers
Date Posted: March 27, 2009 at 12:47 AM

Resistance in the connection. The crimp and or the contact to the chassis of your vehicle has excessive resistance. Its really just that simple.

Posted By: i am an idiot
Date Posted: March 27, 2009 at 4:50 AM

As stated above, resistance = heat. It was either a bad connection or you have too small of a ground wire. Do you have a 4 Ga. power wire and an 8 Ga. ground wire?

Posted By: aznboi3644
Date Posted: March 27, 2009 at 8:51 AM

bad ground...thats it.

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Posted By: the_one369
Date Posted: March 27, 2009 at 10:47 AM

Thats what i figured the wire sizes are the same coming in as going out. Well time to rip everything out and redo it. I was looking for a reason anyway posted_image

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