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Dec 30th, 2023
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 replacing depth finders - wire gauge
#13064144
02/15/19 10:42 PM
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Joined: Dec 2012
Posts: 114
jazz
OP
Outdoorsman
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OP
Outdoorsman
Joined: Dec 2012
Posts: 114 |
This might have answered before I cant find it. I am removing 2 HB depthfinders and replacing them with Lowrance HDS 9's . My boat is not here so I don't know if the current depth finders are wired separately all the way back to the battery or tied into the fuse panel. I have time and want to do this right. Do they need to be wired directly to the starting battery or is the fuse panel OK, what amp fuse if direct to the battery and can both be run off of one circuit or do I need to run a wire to console and also a separate one to the front. If i rewire what gauge wire do I need to use. This is a 19' fiberglass trition explorer. Thanks in advance.
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Re: replacing depth finders - wire gauge
[Re: jazz]
#13064153
02/15/19 10:49 PM
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Joined: May 2014
Posts: 7,737
GIG'EM AGGIES
TFF Celebrity
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TFF Celebrity
Joined: May 2014
Posts: 7,737 |
I wired mine directly to the battery using 14ga wire with an inline fuse. I think most manufacturers recommend that. I used an electricians wire puller to get the wires pulled to the back.
I am a Senager. (Senior teenager) I have everything that I wanted as a teenager, only 50 years later. I get an allowance every month. I have PU truck and a bass boat, I am blessed.
Conscience never acquits, it either accuses or excuses.
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Re: replacing depth finders - wire gauge
[Re: jazz]
#13064226
02/16/19 12:27 AM
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Joined: Jan 2019
Posts: 333
Sgrem
Angler
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Angler
Joined: Jan 2019
Posts: 333 |
14-16 gauge is plenty.
Wire it consistent with how you have the rest of your accessories. Power it AFTER the battery cut off switch so there is no chance of it draining batteries. Your main fuse panel or buss bar would be my method. I think they come with like a 3 amp or 5 amp fuse. I would wire each seperately. That is what a buss bar is great for.
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Re: replacing depth finders - wire gauge
[Re: jazz]
#13064475
02/16/19 03:52 AM
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Joined: Mar 2006
Posts: 1,020
javelin150
Extreme Angler
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Extreme Angler
Joined: Mar 2006
Posts: 1,020 |
12 gauge marine grade wire, in-line 3 amp fuse for each one. Wire both straight to the battery and both with their own dedicated set of wires. Do not wire to a fuse panel. Like you said, do it right the first time. Graphs wont cut off when you crank the engine, less possibility of interference, etc.
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Re: replacing depth finders - wire gauge
[Re: jazz]
#13065086
02/16/19 11:26 PM
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Joined: Aug 2007
Posts: 637
OldChamp
Pro Angler
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Pro Angler
Joined: Aug 2007
Posts: 637 |
Instead of pulling the power cords for each depth finder back to the battery consider using an ST blade fuse panel mounted under a console to provide clean power to the graphs. Feed the fuse panel with #8-#10 stranded marine wire from battery with a properly sized circuit breaker close to battery post. Makes a neat installation with clean power to the graphs. https://www.bluesea.com/products/5025/ST_Blade_Fuse_Block_-_6_Circuits_with_Negative_Bus_and_Cover
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Re: replacing depth finders - wire gauge
[Re: jazz]
#13066136
02/18/19 02:39 AM
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Joined: Apr 2007
Posts: 366
fishinlance
Angler
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Angler
Joined: Apr 2007
Posts: 366 |
I just bought the elite 9 and the book says 7 amp fues check the manual
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Re: replacing depth finders - wire gauge
[Re: jazz]
#13067470
02/19/19 02:50 PM
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Joined: Oct 2010
Posts: 1,249
LittleGazoo
Extreme Angler
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Extreme Angler
Joined: Oct 2010
Posts: 1,249 |
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