a quick ground/gauge question

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spilot

Copper - Posts: 90

Joined: January 26, 2005

Location: United States

Posted: February 17, 2005 at 10:41 AM / IP Logged

ok, i have a 4g power that runs through a distro= with 1 8 gauge coming out to my amp (saving the other 8 g for later). i still need to use the 4 gauge for ground (later, when i get the sub, it would go to a ground block with 2 8's in, and a 1x4g out), but for the time being it's a straight 4 gauge, correct?

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stevdart

Platinum - Posts: 5,816

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Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: February 17, 2005 at 10:55 AM / IP Logged

a quick answer: no. Of course you can if you like, but the amp's power wire is 8 ga., so its ground wire doesn't have to be any bigger than that. In this case the 4 ga. power wire is reduced to one 8 ga., so it will never carry more amperage than that 8 ga. wire will allow. Make sure you fuse the 8 ga. wire at the distro block.

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

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spilot

Copper - Posts: 90

Joined: January 26, 2005

Location: United States

Posted: February 17, 2005 at 11:02 AM / IP Logged

so it's an 8ga ground then...cool. and yea, i run the fuse on my 4ga, then i have a fused distro (1x4=2x8)

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stevdart

Platinum - Posts: 5,816

Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: February 17, 2005 at 5:14 PM / IP Logged

Do what will be most convenient in the long run. If it's difficult to get to the chassis ground location you may want to go ahead and get the 4 ga. wire attached now rather than later. Then it would simply be a matter of switching from amp to distro later.

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

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spilot

Copper - Posts: 90

Joined: January 26, 2005

Location: United States

Posted: February 17, 2005 at 8:17 PM / IP Logged

yea...i just decided to run a str8 4 gauge into my amp, that's what the chart recommends anyways https://www.the12volt.com/info/recwirsz.asp , although on cardomain all the recommended kits were 8 gauge ones. i guess i wasted some money on the 8's distro etc, and should have gotten a 2 gauge + 2x4 for the future, but you learn as you go... :)

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a quick ground/gauge question

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