8 ft ground wire

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=106197
Printed Date: May 15, 2024 at 10:58 PM

Topic: 8 ft ground wire

Posted By: snhtown
Subject: 8 ft ground wire
Date Posted: July 17, 2008 at 12:44 PM

the battery seems like the best spot to ground the amp so im thinking of using the battery for the ground, if i do, the wire is going to be around 8 ft long, probaly a little less. is this ok? i read that the ground should be as short a possible,but what exactly is considered short as possible? should i put a fuse o it also? its for a eclispe 2000 watt amp so i want to do this the best way. also the wire running from the battery to its grounding spot is alot thiner, like a 8ga wire. that wire is about 18 inches long. this is going inthe back of an 07 magnum

Replies:

Posted By: DYohn
Date Posted: July 17, 2008 at 1:14 PM

Usually it is not necessary to run a ground lead back to the battery and in some cases it causes more problems than it solves. Ground to the chassis as close as possible (within 18 inches) to the amp. Read the grounding sticky posts for tips. Also, read the Big 3 upgrade sticky for guidance on upgrading the vehicle's electrical system.

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Posted By: whiterob
Date Posted: July 17, 2008 at 2:32 PM

DYohn] wrote:

Usually it is not necessary to run a ground lead back to the battery and in some cases it causes more problems than it solves.

I'm just curious, what problems would grounding to the battery cause?

Posted By: Big Dog
Date Posted: July 17, 2008 at 3:05 PM

It's logical that the larger the ground mass, the lower the resistance. There isn't a cable big enough to replicate the vehicles chassis.

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Posted By: haemphyst
Date Posted: July 18, 2008 at 6:37 AM

Also, DO NOT FUSE THE GROUND WIRE. Ever.

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