85buickrivi Posted January 20, 2013 Report Share Posted January 20, 2013 hello everyone i know this is a crappy diagram but i think its easier than trying to explain. would this be right to add a second battery??? or instead of running the + to the alternator run it to the other (main battery)??? any help would be greatly appreciated each battery would be in the inner front fenders driver and passenger Link to comment Share on other sites More sharing options...
SLYentist Posted January 20, 2013 Report Share Posted January 20, 2013 looks about right. you might consider running the negative from front battery to rear battery directly. you'll get lower resistance than when using the car frame. Cables and wires almost never fail; the terminations do. Link to comment Share on other sites More sharing options...
85buickrivi Posted January 20, 2013 Author Report Share Posted January 20, 2013 ok and also if i run 2 of the same batteries do i need a isolator Link to comment Share on other sites More sharing options...
08tahoe Posted January 20, 2013 Report Share Posted January 20, 2013 You don't need an isolator. Link to comment Share on other sites More sharing options...
bigmescan Posted January 20, 2013 Report Share Posted January 20, 2013 you dont have to run neg to batt...run it to the frame. thats how i have mine....main batt use a fuse to second battery. the fuse the psitive from second batt to amps. then ground amps to sec batt SONY XAV-701HDRF power 400.4 RF power 1000bd 3 Sundown x8's d22004 f150 single cab2 sets of components MB quart 6.5 onx (2 tweets 2 6.5 perdoor)stock batt up fronBIG 3http://www.stevemead...-vid-pg-11-922/http://www.youtube.c.../TheBigmescan74 Link to comment Share on other sites More sharing options...
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