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  1. #1
    Jr. Mechanic GWAGON_99's Avatar
    Join Date
    Mar 2005
    Trophy Club, TX (DFW)

    Default Dual Battery Setup

    I have a 2003 Chevy Suburban Z-71 (5.3 V8) and would like to install a dual battery setup and have no clue where to start. I have seen a few different ways to do it online but nothing that I want to go with. I currently have an Optima Red top and would like to add to it a yellow top deep cycle to help with a winch to come and an onboard air compressor. Any experience?
    Jay- Trophy Club, TX
    2003 Chevy Suburban Z-71 (2" lift)
    2008 GMC Sierra Texas Edition

  2. #2

    Join Date
    Aug 2008
    East of Branson, Missouri
    Blog Entries

    "The Sarge"
    1999 Chevy Suburban LT- K2500
    7.4 454 Vortec, 4WD
    305/70/16 on Eagle Alloy

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