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Thread: Interference on Humminbird Sonar

  1. 12-09-2007, 05:54 PM #11
    catchafew
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    Prchjerker your suggestion about the ground wire did the trick. Thanks for the suggestion.
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  2. 12-09-2007, 07:46 PM #12
    DTG
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    will that also work if hummer is on starting battery?
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  3. 12-09-2007, 08:44 PM #13
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    Cane Pole
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    Don't use your boat hull like a conductor. You asking for trouble. Ground the hull at one point only if need be. This is actually called bonding. You can use an isolated ground bar if you got a lot of ground runs. Some fuse panels (power distribution) have ground bars built in. You might mask one problem and create others with hull grounding. My humble 2 cents, but it's your boat.
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  4. 12-09-2007, 09:35 PM #14
    crappielimits
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    Quote Originally Posted by Cane Pole
    Don't use your boat hull like a conductor. You asking for trouble. Ground the hull at one point only if need be. This is actually called bonding. You can use an isolated ground bar if you got a lot of ground runs. Some fuse panels (power distribution) have ground bars built in. You might mask one problem and create others with hull grounding. My humble 2 cents, but it's your boat.
    I agree with Canepole, you start grounding to the hull and you may cause electrolis!
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  5. 12-09-2007, 10:31 PM #15
    DTG
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    ive been in a grounded boat then , thats what happened to my hair. yep thats it
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  6. 12-10-2007, 01:00 PM #16
    prchjerker
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    I'm just relaying what we I was told by both Minnkota and humminbird.Did it on my last 2 boats and several others and havent had any problems.
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  7. 12-10-2007, 04:55 PM #17
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    Cane Pole
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    Quote Originally Posted by prchjerker
    I'm just relaying what we I was told by both Minnkota and humminbird.Did it on my last 2 boats and several others and havent had any problems.
    This is ok. You are not using the hull as a dc current return path by grounding the battery as you mentioned. This is called bonding. Ham Radio guys know more about this (bonding) than I do.

    What I am saying is do not use the boat hull like a car chassis (as related to or relative to wiring).
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