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Thread: need some electrical help

  1. #1
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    Default need some electrical help


    got a new to me boat and trying to install a 597 ci hd di ff. my old one has three wires going to it, a black, yellow, and red. my new one only has a black and red. i can cut and splice there or i also have some empty fuse locations. just need to know what to do and how to do it. any help would be greatly appreciated. WS
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    DEAD AS FRIED CHICKEN

  2. #2
    Barnacle Bill's Avatar
    Barnacle Bill is offline Super Mod and 2014 Crappie.com Man of the Year * Crappie.com Supporter
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    Some models require a constant 12v, switched 12V and ground. Your new one only requires 12V (red) and a ground (black). I hope that plug isn't for the new one. It sure has a lot of corrosion in it and the fuse block needs cleaning too. Corrosion can cause problems and things not to work.
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  3. #3
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    Red to positive and black to ground and you should be fine.
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    Seeing as you already have corrosion on your fuse block; I would run new wires from the power cable of the 597ci HD DI unit all the way back to the cranking battery. Be sure to solder and seal all connections and use one of the waterproof blade type fuse holders.
    Greg Walters at Humminbird
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  5. #5
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    Quote Originally Posted by logs View Post
    Red to positive and black to ground and you should be fine.
    That's the simple answer, but that fuse block needs some attention.

    At a minimum, I'd clean the snot out of it and inspect all the ends that are terminated there. Next level of service would be to replace the fuse block, which would be a pain, but not that expensive with a bladed style block.

    Truth be told, you could probably go many years with just some cleaning, but that block does look pretty ratty.

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  6. #6
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    thanks guys, i will get on that fuse block as soon as i get this dang ff workin.
    DEAD AS FRIED CHICKEN

  7. #7
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    Clean that connector with baking soda and a tooth brush. Rinse off with water and let Dry. Use a hair dryer if you have one to speed up the drying. Get some dielectric grease and use a tooth pick and place a small tincy dab in the connector socket (each hole). Plug and unplug several times. Make sure no dielectric is on the rubber part of the connector. If so, wipe it off the rubber. The dielectric is conductive. Yo can also clean the power strip with baking powder and a tooth brush. Just wipe a fine coat of dielectric grease on the conducting parts. Clean the fuses too.

    If you don't have any baking soda, use tooth paste. Both tooth paste and baking soda are mild abrasives.
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  8. #8
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    Always problems with purchasing a used boat James! And there is almost just as many problems purchasing a new boat and getting it the way you want them. I bet you had as much fun as I did working on my fuse block in my Lowes!

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