installing a 2nd battery

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Clean Install

Silver - Posts: 446

Joined: January 03, 2004

Location: United States

Posted: February 24, 2004 at 9:10 PM / IP Logged

A friend of mine is in the process of buying a dry cell battery for his car....he was told that this would help his orginal battery and alternator....

He plans to run 2 12 fusion power plants along with 2 punch hx2....if I am correct the fusions are on about a 1000 watt fusion amp possible 1200....and the rockfords are running on a rockford 800 somethings which I believe is about 600 or 800 by 2 (dont quote me on the power supply all I know is that its alot of power )

His ride is a newer ford tarus (?sp?) 99-00 or so...he had to about a month ago, go and purchase a new alternator (factory).....I told him then to think about a bigger alt., cause even then he wanted to buy 2 other twelves not the rockford hx2s.....

also I am not aware of the factory alt. output........but I feel that with this new setup that he will be running....it will exceed the 120% of the output...which will cause damage to the alt and bat. correct...?

I told him that I am not sure on how to install a second battery, I have never done this...but I did not think that he can run wires like he plans to..(going to run wires from the orginal battery to the new dry cell (which is only a 60.00 dollar battery " I thought that was a little cheap not sure what brand")

Do you guys feel that he needs to first upgrade is alt. or will just the new Dry Cell, really help without a larger alt. ?

I thought that it would still be taking more power to run these two batterys....I am not for sure thats why I wanted to ask you guys.....

And thats not the correct way to install a second battery or is it....(would you not need a battery isolator??????)

hes doing this on friday......so any help would be great...cause I am not sure if I am correct....I feel some what like I am just not hitting (the nail with the hammer) if you know what I mean.....

Thanks Doug

If we learn from each success and

each failure, then we can improve ourselves

customsuburb

Gold - Posts: 1,813

Joined: January 17, 2004

Location: United States

Posted: February 25, 2004 at 8:28 AM / IP Logged

No a second battery will not help you much, unless you want to listen to your music longer with the car off. He will definitely need a high output alternator if he plans on running a big amp like this. The only thing a second battery will do for you without a high output alternator is create another load for your alternator to charge. If he trys to run that big of an amp on just a regular factory alternator he is going to get a severe drop in performance.

Clean Install

Silver - Posts: 446

Joined: January 03, 2004

Location: United States

Posted: February 27, 2004 at 7:26 PM / IP Logged

where would be a good place to pick up a HO alt.?

also If I might add.....has anyone had trouble with putting in a HO alt for a civic...I read in a post somewhere that a guy had some wire trouble or something....Just curious if anyone has had any trouble thanks again

Doug

If we learn from each success and

each failure, then we can improve ourselves

Ravendarat

Platinum - Posts: 2,806

Joined: February 23, 2004

Location: Canada

Posted: February 27, 2004 at 7:35 PM / IP Logged

putting a high output altenator on a civic is retty strait forward. You can get bolt ons that are like 150 amp and the wiring is really simple.

Clean Install

Silver - Posts: 446

Joined: January 03, 2004

Location: United States

Posted: February 27, 2004 at 7:52 PM / IP Logged

great thanks for the reply....no real trouble though....thats good to hear :-)

If we learn from each success and

each failure, then we can improve ourselves

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installing a 2nd battery

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