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11-18-2005, 04:24 PM | #1 | |
AF Fanatic
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(Amp Install Q) Fusing my Battery
I've got 4gauge wire running from my soundstream to the battery. when i fuse it at the battery, what rating amp do i use? i know 4g will stand up like 150amps. I was talking to tech-support at Crutchfield and they said whatever fuse rating that's on my amplifier, (there are [3] 80amp fuses), that's the rating fuse i need at the battery... really!?
EDIT: sh*t my bad, there are [3] 25amp fuses on my amp.
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Last edited by vinnym86; 11-18-2005 at 06:22 PM. |
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11-18-2005, 06:01 PM | #2 | |
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Re: (Amp Install Q) Fusing my Battery
there is some debate in this:
Some say the fuse should be equal to the maximum current the wire can carry Others say the fuse shold be the same as the amp's fuses. I use the first method, or less, so i would use 150A assuming it's not a real long run of wire |
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11-18-2005, 06:21 PM | #3 | ||
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Re: Re: (Amp Install Q) Fusing my Battery
Quote:
thanks for clearing that up. the amp kit i'm buying has a 80amp AGU fuse, but it looks cheap, generic. i dunno, i hear AGU fuses can be of poor quality sometimes. maybe a 150amp ANL would be better? |
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11-18-2005, 09:08 PM | #4 | ||
Audio Guy
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Re: Re: (Amp Install Q) Fusing my Battery
Quote:
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11-18-2005, 09:22 PM | #5 | ||
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Re: Re: Re: (Amp Install Q) Fusing my Battery
Quote:
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11-19-2005, 05:14 PM | #6 | ||
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Re: Re: Re: (Amp Install Q) Fusing my Battery
Quote:
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11-23-2005, 11:36 AM | #7 | |
Audio Guy
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that would be a MAX current rating ...... the avg or "RMS" current rating is actually roughly equal to it's reserve rating in minutes - don't ask me how they worked that out.
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11-23-2005, 12:01 PM | #8 | |
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Re: (Amp Install Q) Fusing my Battery
There is a manual you can order online that explains everything you ever need to know about impedence, power, amperage, etc., etc. Do a search for Mobile Electronics Certification Program. I'm about to start the course so I can get a part time job installing at a local shop.
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11-23-2005, 12:44 PM | #9 | |
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Re: (Amp Install Q) Fusing my Battery
yup, MECP. i need to start a class for that too.
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11-23-2005, 07:32 PM | #10 | |
Audio Guy
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I have the MECP manual around here somewhere .... it had a number of mistakes in it (theory wise). I hope the newer ones are a little better.
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