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Dual Battery conversion ?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by rocko, Sep 13, 2001.

  1. rocko

    rocko 1/2 ton status

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    Does anyone have a wiring diagram or pictures of a Dual Battery setup?
    I want to convert my g/f's Tahoe over and my 83 Blazer to Dual battery ...
    Any help is greatly appreciated..

    I haven't failed, I've found 10,000 ways that don't work. www.rocko.rockcrawler.com
     
  2. Confederate9

    Confederate9 1/2 ton status

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    i would like one too.
    is this hard to go?i thought this would be good since im pumping hit wattage system


    <font color=red>K5: Because size DOES matter</font color=red>
    85 K5 4IN LIFT 35 GOOD YEAR WRANGLER MT/R, AMERICAN RACING WHEELS
     
  3. Boss

    Boss 1/2 ton status Author

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    I'm getting ready to do this on my 89'. I have all the stuff neccessary to do in the garage waiting, just have to find time. I have all the wiring diagrams at home, but it is mainly on wiring in the dual battery with an Isolater (and combiner for that matter). Are you going to put an isolater on or just wiring up 2 batts? If so, you need two brand new batteries of the same brand.

    Pic of my truck Before N' After
    <a target="_blank" href=http://coloradok5.com/gallery/BeforeNAfter>http://coloradok5.com/gallery/BeforeNAfter</a>
     
  4. 83ZZ502_Jimmy

    83ZZ502_Jimmy 1/2 ton status

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    <a target="_blank" href=http://www.painlessperformance.com/battacc.htm>http://www.painlessperformance.com/battacc.htm</a>

    Check this link out. I have used this setup on a friend's rig and it works great. We actually hooked up 3 batteries on his. This system is awesome IMO.

    My .02
    John

    '83 GMC Jimmy 4x4 ZZ4 Crate Motor
    '83 Chevy K20 Sand Drag Racer, 578 RWHP
    '94 Impala SS
    '01 Chevy 2500HD 4x4 w/8.1L & Allison Auto
     
  5. txbartman

    txbartman 1/2 ton status

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    If you can wait until next week I will scan in my diagrams for you. I am in the process of installing my dual battery setup. I looked at several of the packaged systems and decided that would take the fun out of it. I am using a 200A continuous duty solenoid from the local parts shop designed for marine, 4x4, or RV use ($35), a relay ($2), a switch ($.59), some 16GA wiring for the relay/switch (~$5) - all from Radio Shack, some 4GA wire from a local custom stereo shop for the batteries and their components (~$20), and military-style battery clamps (from WranglerNW) for my setup.

    I will be installing a marine deep cycle battery to power my accessories (off-road lights, stereo, etc) and dedicate my main battery for the engine and starting. The deep cycle battery can also be used to jump the main battery in the event of a failure. Its a rather simple setup.

    Let me know if you are interested. I am also considering putting together a "How-To" on my website.

    Brian
    A new day.... May God be with us all.
    <a target="_blank" href=http://tx85gmcguy.alloffroad.com>My Tribute</a>
     
  6. 86K5TrailBlazer

    86K5TrailBlazer 1/2 ton status

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    Dude this would be great, those packged deals seem a bit pricey, do a write up and let us know.
     
  7. I have a WranglerNW dual battery set-up on my 2000 Z71 and it is awesome, easy to install and very high quality components. I did a write up on the install on Off-Road.com, not sure what the link is, but here is a link to there web site <a target="_blank" href=http://www.wranglernw.com/>http://www.wranglernw.com/</a>

    [​IMG]<font color=red>BigBurb[​IMG]
    <font color=purple>I Like my Burb'n on the ROCKS !!
    <font color=black>Imported to Kentucky through military channels !!
     
  8. rocko

    rocko 1/2 ton status

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    Oh I'm very interested.. Thanks Brian.. and everyone else..

    I haven't failed, I've found 10,000 ways that don't work. www.rocko.rockcrawler.com
     
  9. surg82k5

    surg82k5 1/2 ton status

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    Hey Rocko maybe I can take my Blazer up there tomorrow or saturday, it is running and since it is Diesel it has two batteries
    Sergio


    Check out my new website. <a target="_blank" href=http://www.surg82k5.rockcrawler.com>http://www.surg82k5.rockcrawler.com</a>
     
  10. i_4x4

    i_4x4 1/2 ton status

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    I'm also interested in the set up. Can you e-mail me a part # for the 200A solenoid.

    Thanks Ed
    i_4x4@repairman.com

    Get use to the view.
    Because, if your not the LEAD DOG the view never changes.
     
  11. Burt4x4

    Burt4x4 3/4 ton status

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    This is what you want www.geocities.com/baja/5099
     
  12. Pure Insanity

    Pure Insanity 1/2 ton status

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    Well how were they wired from the factory? Just curious because mine has 2 trays and is not or has been a deisel. The only wiring I have is a light gauge ground cable. I am interested also, I want 2 batteries but want them independent so I will have a back up if ness. But want to run lights and stereo off the 2nd.

    I get all the exercise I need pushing my luck! [​IMG]
     
  13. Burt4x4

    Burt4x4 3/4 ton status

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    oh factory setup! I no nothing about the factory stuff. If you goto the site I posted above they have scematic diagrams of the differnt types of steups, aftermarket setups.
    I say screw the factory and go with Hellroaring, it is newer technology and very simple to install.

    72K5[​IMG]Led Zeppelin[​IMG]Rock ON![​IMG]
    <a target="_blank" href=http://www.geocities.com/baja/5099>www.geocities.com/baja/5099</a>
     
  14. Pure Insanity

    Pure Insanity 1/2 ton status

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    Like I said I was just curious. Im gonna look into it better when I get ready to do it. In fact I saved this thread to refer back to it when the time comes.

    I get all the exercise I need pushing my luck! [​IMG]
     
  15. Shawn

    Shawn 1/2 ton status Premium Member Author

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    I agree with Steve. IMHO, the Hellroaring dual battery isoloator is the only way to go. Check out the comparison chart comparing it to the other methods.

    www.off-road.com/chevy
     
  16. pcorssmit

    pcorssmit 1/2 ton status

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    I have a home brew setup. 1 starting battery, 1 deep cycle, engine (starter, computer, coil, fuel pump, etc) is completely seperate from the rest of the truck. I modified the internals of the ignition switch, among other things. The system works well, I'm real happy with it. I can leave the stereo and lights on until the batt. dies, then fire it right up in the AM. However if your not comfortable with schematics and wiring, a commercial kit may be better.

    Pete

    '83 K5, 350 TBI (ex 6.2), 700R4, NP208, Dana 60/14 bolt, 4.56s, Detroits, 3" lift, 15-39.5x15 TSLs
    '97 Dodge 2500 4x4 CC LB Sport, Cummins 5 spd
     

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