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  1. #1

    Default dual battery set up

    when installing a second battery, does the wiring go: positive to positive and negative to negative? or does it go: positive to negative and so on?

    for the life of me i cannot remember how to do it so it gives me 12 volts and not 24 volts i think its positive to positive and negative to negative...

    thanks in advance
    92 suburban 4x4 (named the beast by my kids)
    350 engine
    700R4 tranny
    34x12.5x16 mud terrains

  2. #2

    Default

    you want to parallel it all, positive to positive, negative to negative...any other way will smoke all the electronics. However, you probably want to install a battery isolator while you're at it to keep the batteries from killing each other due to different battery age and such...
    Christopher

    1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
    2005 Saturn ION-2 Stock 265K miles
    1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half



    There are 10 kinds of people, those who understand binary, and those who dont...

    Remember kids, the only difference between screwing around and science is writing it down- Adam Savage

  3. #3

    Default

    thats what i was thinking, thanks for the reminder
    oh and the isolator is a good idea to, i had planned on getting one.
    92 suburban 4x4 (named the beast by my kids)
    350 engine
    700R4 tranny
    34x12.5x16 mud terrains

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