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#12809067 - 06/28/18 01:14 PM Shorting out
Stratos2011 Offline
Outdoorsman

Registered: 03/04/11
Posts: 122
I have a Helix 7 on my bow. Every time I hit the livewell or bilge button on the bow panel it will short out the Helix. It will also short out when I start the big motor. Why?

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#12809092 - 06/28/18 01:27 PM Re: Shorting out [Re: Stratos2011]
Ian Fellenbaum Offline
Angler

Registered: 11/05/15
Posts: 354
Loc: Mesquite, Tx
I would wire it directly to the battery. That should solve your problem.
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#12809095 - 06/28/18 01:28 PM Re: Shorting out [Re: Ian Fellenbaum]
Stratos2011 Offline
Outdoorsman

Registered: 03/04/11
Posts: 122
Is that something I could do myself?

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#12809104 - 06/28/18 01:35 PM Re: Shorting out [Re: Stratos2011]
Cast Online   content
TFF Celebrity

Registered: 07/31/12
Posts: 9648
Loc: North Texas - God's Country
Define ‘short out’.
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I have a short attention spa

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#12809108 - 06/28/18 01:38 PM Re: Shorting out [Re: Cast]
Stratos2011 Offline
Outdoorsman

Registered: 03/04/11
Posts: 122
the unit turns off and right back on. like a reboot.

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#12809109 - 06/28/18 01:39 PM Re: Shorting out [Re: Stratos2011]
GIG'EM AGGIES Offline
TFF Team Angler

Registered: 05/14/14
Posts: 4487
Loc: texas
You have a switch for the bilge and live well on your bow panel ? Never saw that. Anyway, if you've wired your Helix to those switches that's your problem. Try to find another hot wire on the panel to use and I would use a fuse on the hot wire also.
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#12809130 - 06/28/18 01:52 PM Re: Shorting out [Re: Stratos2011]
Cast Online   content
TFF Celebrity

Registered: 07/31/12
Posts: 9648
Loc: North Texas - God's Country
Originally Posted By: Stratos2011
the unit turns off and right back on. like a reboot.
.

Ok that makes more sense. It’s a voltage drop causing a reset. Direct wiring will help.
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I have a short attention spa

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#12809133 - 06/28/18 01:53 PM Re: Shorting out [Re: Stratos2011]
squib Offline
Extreme Angler

Registered: 01/03/03
Posts: 1346
Loc: Lubbock, TX
Direct wire to the battery. Fuse the hot wire within a foot of the battery. First thing I do on every boat I buy.

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#12809204 - 06/28/18 02:51 PM Re: Shorting out [Re: squib]
9094 Offline
TFF Celebrity

Registered: 08/11/09
Posts: 7924
Loc: Albany
Originally Posted By: squib
Direct wire to the battery. Fuse the hot wire within a foot of the battery. First thing I do on every boat I buy.


This is actually the correct way to wire a depth finder. Use a 3 amp inline fuse. I usually fuse the negative side of the wire though.
If one took the time to read the wiring instructions on a depthfinder they would read exactly this. Going through a fuse block or accessory switch can ruin your depthfinder. When you do this everytime you start your motor or turn on another switch it causes a power decline or spike. Depthfinders are computers so treat them the same. We use surge protectors on computers and wiring directly to the battery accomplishes the same on a 12 volt system.

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#12809271 - 06/28/18 03:37 PM Re: Shorting out [Re: Stratos2011]
Hittmanfish Offline
Angler

Registered: 05/28/14
Posts: 377
Loc: Arlington
If it wasn't happening in the past, then it could be that your battery is going bad.... or like others said above, wiring is causing issues. Wire direct to the battery (with fuse)

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#12809321 - 06/28/18 04:04 PM Re: Shorting out [Re: Stratos2011]
Tx Tree Grower Online   content
Pro Angler

Registered: 09/17/08
Posts: 880
Loc: Palestine, TX
Like others have said a direct wire is the correct way to do it. With that said I would be willing to bet big money that you have a battery going bad or a bad connection somewhere. I had a jon boat that was doing this exact thing. Replaced the battery and the issue was solved. If running a new wire is not possible right now, check and clean all of your connections first. If problem persists check the battery. Cranking the motor is peak load for a battery. If it has a weakness that is when it will show up first.

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#12809603 - 06/28/18 08:35 PM Re: Shorting out [Re: Stratos2011]
Stratos2011 Offline
Outdoorsman

Registered: 03/04/11
Posts: 122
So I have the power cable to run directly to the battery and plan to do just that.

Some of the comments above say it could be faulty wiring causing the issue. If I run directly to the battery should I not concern myself with this hypothetical faulty wiring?

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#12809937 - 06/29/18 07:20 AM Re: Shorting out [Re: 9094]
Bryanmc57 Online   content
Pro Angler

Registered: 05/29/12
Posts: 554
Loc: Yuma, AZ
Originally Posted By: 9094
I usually fuse the negative side of the wire though.
If one took the time to read the wiring instructions on a depthfinder they would read exactly this.


I disagree. Humminbird specifically shows th fuse on the positive side.

This is from the installation manual for a Humminbird Helix.


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#12809971 - 06/29/18 07:53 AM Re: Shorting out [Re: Bryanmc57]
SteezMacQueen Online   sleepy
TFF Celebrity

Registered: 11/02/14
Posts: 6388
Loc: Red Oak, Galveston, and Pagosa...
Originally Posted By: Bryanmc57
Originally Posted By: 9094
I usually fuse the negative side of the wire though.
If one took the time to read the wiring instructions on a depthfinder they would read exactly this.


I disagree. Humminbird specifically shows th fuse on the positive side.

This is from the installation manual for a Humminbird Helix.




As a general rule, ON CHASSIS GROUND SYSTEMS, the fuse would go on the positive terminal. Since it would be nearly impossible to fuse the chassis. But, in DC , the current flows from negative to positive and on a boat there is no chassis ground. So either side could be fused with the same result. (Notice the charging leads from your charger has both leads fused).

You are both correct. Either will work.
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#12809999 - 06/29/18 08:17 AM Re: Shorting out [Re: Stratos2011]
Cass Caldwell Offline
Extreme Angler

Registered: 01/29/06
Posts: 2067
Loc: Bossier City, Louisiana
I had that problem with my Lowrances. Wired them straight to the battery last year and haven't had a problem since.
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