second battery setup

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=40091
Printed Date: May 13, 2025 at 12:27 AM

Topic: second battery setup

Posted By: nismo24t
Subject: second battery setup
Date Posted: October 01, 2004 at 9:13 AM

i'm trying to install a second battery..i have an isolator also...what i want to do is keep the main battery for the original car electronics....and the other for the amps, alarm..ect......i also have a automatic onboard charger with AC power neeeded.....okay...heres the ??? :

how should I wire this so that the second battery will be charged and charging with the charger?

Replies:

Posted By: djv1
Date Posted: October 01, 2004 at 11:50 AM

run from the alternator to the isolator switch and then run one line fro the isolator switch to each battery,and then just run your amp and charger off of the one batterry and it should charge right.

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JVC deck
6.5in MB Quarts
Rockford 3001M amp
2 12in Kicker Comps
Sirus Sattilte Radio

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