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Thread: Adding 2nd Battery to vehicle

  1. #1
    Join Date
    Mar 2005

    Adding 2nd Battery to vehicle

    I would like to add a 2nd battery (deep cell) to my truck. How extactly does this hook up? Using a deep cell and keeping the existing car battery for cranking. I'd like to isolate most of the electronics to the deep cell?

    Any help? Thanx!

    Also can/does the deep cell battery receive a charge from the alternator as well?

  2. #2
    FLAC shakes's Avatar
    Join Date
    Oct 2003
    Atlanta GA
    do a search for battery isolator ... this topic has been covered in depth.
    My JeepPC Install

    "there are no stupid questions, just stupid people."

    "it's been agreed the whole world stinks so no one's taking showers anymore"

  3. #3
    Join Date
    Mar 2005
    Thanx.... I guess I should be more specific. I know how to hook the batteries up with the isolator, I'm wondering about what can be hooked up to the 2nd battery? Can I take the power cables coming from the brain box and hook that to the second battery to ALL the electical runs off the 2nd one. Then maybe run a ignition jumper to the 1st battery for starting only?
    99 Escalade w/ice metal 20's
    EIPA m-10000/521mb RAM/ 80g HD
    Slim DVD rom
    Garmin 18 GPS
    15" viewsonic touchscreen!!
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    connected to Bose system

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