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  • Isolators and combiners

    I know this topic has recently been posted, but here goes my question. I want to be able to run my starting battery and house independant from each other. Have the electronics just draw from the house battery and have the engine starter just draw from the starting battery without having to change the 1/2/both switch back and forth. But have the engine and solar panel charge both banks at the same time. So i want to install an isolator or combiner, which leads to my question. To install either one you have to attach the alternator output wire to the isolator or combiner so it can disperse the charge. Now I have an older 1987 Suzuki DT200, which doesn't have an independant alt. output wire. It just has the positve and neg. lead coming from the starter. Is there a way around this?
    [br]Michael R. Delgado[br]1972 Mako 22[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=15745[br]1976 Mako 25[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=18013&SearchTerms=mako,25[br]

  • #2
    YES!!! The positive wire going to your engine is the same the engine will use to charge your batteries. Don't use an isolator, since that's basically a glorified two way switch. Make sure you use a combiner. There are several ways to hook it up. The easiest is the one at the West site. Here's the link:

    http://www.westmarine.com/webapp/wcs...544&storeNum=9

    Click on the instructions at the bottom.

    BTW you can find new WM combiners on eBay at a reduced price. The 50 amp is good enough for any outboard, and is waterproof.
    Past:[br]1988 Mako 230[br]1987 Mako 20C (best of them all)[br][br]1974 Mako 15[br]Miami, FL[br]

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    • #3
      Beautiful, that's what I need, thanks micura! How would you recommend hooking my solar panel up to it also, so it will charge both banks when the boat isn't in use and the switches are off?
      [br]Michael R. Delgado[br]1972 Mako 22[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=15745[br]1976 Mako 25[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=18013&SearchTerms=mako,25[br]

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      • #4
        I chose 2 of these for my setup.

        http://www.newmarpower.com/bi_100/bi_100.html


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        • #5
          Bobby, why do you use two? are you running three battery banks? If so, why three, you got electic trolling motors on the x-shark? []
          [br]Michael R. Delgado[br]1972 Mako 22[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=15745[br]1976 Mako 25[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=18013&SearchTerms=mako,25[br]

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          • #6
            I've got 2 outboards. I will have a starting battery for each motor and 2 house batteries. When trolling I'm planning on running 1 motor and then switch every hour to keep the hours close on each motor.

            Which ever motor is running will be able to charge it's starting battery and the house batteries.

            That's the plan anyway.[]

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            • #7
              I would use one solar panel for each battery.[]
              Past:[br]1988 Mako 230[br]1987 Mako 20C (best of them all)[br][br]1974 Mako 15[br]Miami, FL[br]

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              • #8
                Bobby, how much was the integrator? and where did you purchase it? Do you think I could buy a second one and connect it to my solar panel to charge both batteries?

                Micura, on ebay did you buy it from an independant seller or a legit organization? I already have 2 internet fraud cases under my belt from dealing with ebay
                [br]Michael R. Delgado[br]1972 Mako 22[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=15745[br]1976 Mako 25[br]http://classicmako.com/forum/topic.asp?TOPIC_ID=18013&SearchTerms=mako,25[br]

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                • #9
                  I have twins and 4 batteries, but I have 2 of the following setups (you would only need one):

                  http://www.bluesea.com/product.asp?P...1=7458&l2=7458

                  Look at the "Typical Installation" for the charger relay needed also.
                  Artie Sutherland[br]Rude Attitude -\'76 Mako 25 CC. - SOLD[br]1976 Mako 21[br]2002 Yellowfin 31 - 300 hp Suzukis[br]Gulf Coast, Mississippi[br]

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                  • #10
                    I found one here:http://www.dbmarine.com/sales/produc...l.asp?M=Newmar

                    NMR-BI100 Newmar 12 Volt, 100 Amp Battery Integrator D $88.95

                    I bought mine from a diffrent place and paid more + it took forever to get.

                    Here's where I bought mine.

                    http://store.wmjmarine.com/wbi100.html

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                    • #11
                      Bobby, I can't see. Hope you can answer. It looks like it manages current coming from both directions. From the alternator to the battery and battery to the starter. If someone were to use this thing on a two battery single engine setup, does it mean that he can do away with the 1/both/2/off switch?
                      Steven[br]1978 Powercat 232[br]One flat broke, the other almost ready to float!!![br]Atlanta, GA

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                      • #12
                        Bought from seller. I have a good experience on ebay. Of course I'm really carefull, and only buy if it's a great deal. I had one bad experience, and it was with a large ebay "store".
                        Past:[br]1988 Mako 230[br]1987 Mako 20C (best of them all)[br][br]1974 Mako 15[br]Miami, FL[br]

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                        • #13
                          www.yandina.com

                          This guy is the manufacture in SC. He is a really nice guy and sells

                          refurbished unites(i suspect they are new and West will not lwt him sell direct)

                          I have the 50amp unit on my boat and it works great.
                          Apex NC [br]

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                          • #14
                            Hey Guys,

                            Will these isolators allow you to crank from both batteries. My "Black Box" is sometimes a little bit tempermental starting cold and needs juice of parallel.
                            Justus[br]\'93-211 Classic [br]Baton Rouge

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                            • #15
                              Read all this and it will answer your question's.

                              http://www.newmarpower.com/pdf/Manua...ntegrators.pdf

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