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Thread: Battery ground

  1. 12-02-2021, 02:36 PM #1
    Marine4life
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    Default Battery ground


    While hooking up the HB mega 360 it has a drain/shield wire in addition tot the ground. My power source is a small 46AH Duracell AGM that also powers my LS black box and Garmin 1022. The HB helix 10 G3N is powered off main battery.

    For my upfront AGM battery I have the positive going to a switch and then into a small fuze panel where I connect the equipment. Ground goes to buss on fuze panel.
    Should I have a ground running from the negative post of the battery to somewhere on the hull?


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  2. 12-02-2021, 03:20 PM #2
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    I see no reason that bonding the hull ( not using the hull as a ground) would have any negatives. The hull is likely grounded the the things attached to it. It would help reduce any electrical interfere the cable would pick up. I would want the sheild wire hooked up to the negative post of the battery that powered that unit
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  3. 12-02-2021, 03:20 PM #3
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    No....never ground to hull. Ground to negative battery post.
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  4. 12-02-2021, 03:25 PM #4
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    Quote Originally Posted by "G" View Post
    No....never ground to hull. Ground to negative battery post.
    I believe he was talking about grounding the hull not grounding to the hull.
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  5. 12-02-2021, 04:54 PM #5
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    Never ground to the hull which I think is what he was asking. Bad things happen when that occurs
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  6. 12-02-2021, 05:07 PM #6
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    Do not ground the hull either
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  7. 12-02-2021, 05:17 PM #7
    Marine4life
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    Default Battery ground

    Ok. So everything is tied to the fuze box negative buss and the negative battery terminal.

    46AH Agm house bat tree r with dedicated charger that powers
    -Garmin 1022
    -LS black box
    -HB 360.

    15 Amp rocker switch between batter and fuze panel.

    All is working so tomorrow I get it out on the water.



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    Last edited by Marine4life; 12-02-2021 at 05:28 PM.
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  8. 12-02-2021, 05:34 PM #8
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    Just remember the hull is grounded to the starting battery if you have a metal boat.
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  9. 12-02-2021, 05:48 PM #9
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    Quote Originally Posted by Barnacle Bill View Post
    Just remember the hull is grounded to the starting battery if you have a metal boat.
    That was the point I was trying to make earlier
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