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Just finished installing dual batteries...

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by UseYourBlinker, Dec 9, 2000.

  1. UseYourBlinker

    UseYourBlinker 1 ton status

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    It took my Dad and I about 2 hours last night, and 2 hours this moring to get it done. We had some problems with batteries dying on us, so we installed two brand new ones, and a isolater. I think we were drawing too much power in the cab. There is a radio, amp, ham radio, and fog lights that were running off one battery. Well hope this fixed the problem....

    If it ain't a Chevy, don't raise it up!
     
  2. MudFrog

    MudFrog 1/2 ton status

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  3. JimmyDie6.2

    JimmyDie6.2 1/2 ton status

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    and can you explain the isolator to me and where it goes,I have dual batteries also....just wondering if an isolator would be something I would need......thanks.......js
     
  4. keith

    keith 1/2 ton status

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  5. UseYourBlinker

    UseYourBlinker 1 ton status

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    My Dad is really into electrical stuff, so he basically made his own kit. The isolater was bought at a local audio place for $29.95, and all I know is that it recycles power to both of the batteries.I will get some more info on it later, when my Dad comes home.....

    If it ain't a Chevy, don't raise it up!
     
  6. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    If you hook 2 batteries in Paralle they will kill each other if they are not performing exactly the same. All a isolator is is a big diode set up. It will allw both batteries to charge but keeps them seperate so one cannot drain the other. You can get a isolator at Pep Girls for a reasonable price. You can then take a Ford solinoid and use it to join the two batteries for say self jump starting ect. Just hook the trigger switch to a switch on the dash.

    Diging it in the dirt with my K5's
    Grim-Reaper
    http://grimsk5s.coloradok5.com/
     
  7. militaryblazer

    militaryblazer 1/2 ton status

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    My diesel blazer has dual batteries so would it have any problems powering stereo and lights and winch, etc.

    <font color=orange>'86 Military Blazer with 4" Lift & 33" Tires</font color=orange>[​IMG]
     
  8. OFFRDK5

    OFFRDK5 1/2 ton status Premium Member

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    I got myself two of em too!! Diesl here....I don't think there is an isolator on mine...don't see the need for it unless I am doing some winching or running some really big lights, which I might be getting. I am getting tired of them idiot drivers pulling out in front of me....they won't move if they can't see!!!!

    SK-15
    J**P...it's whats for dinner!
    http://SK-15.coloradok5.com
     

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