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Dec 30th, 2023
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 Depth Finder and Voltage Question
#12763833
05/21/18 06:19 PM
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Joined: Feb 2002
Posts: 98
Jaydub
OP
Outdoorsman
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OP
Outdoorsman
Joined: Feb 2002
Posts: 98 |
I'm having a problem with my depth finder shutting off. Previously, it would shut down if the transducer was plugged in. The Garmin Support guys said to check my power supply so I checked it on my front mount (trolling motor battery) and same thing. They replaced the unit and it started off working briefly, then it started to do the same thing. Enough of the backstory.
Every now and then the unit will shut down when I start the big motor. It's like a surge or drop in power. If the power is coming off of the fuse block, shouldn't that be coming from the starting battery and not the alternator on the motor?
would the voltage on the starting battery change when the motor is cranked?
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Re: Depth Finder and Voltage Question
[Re: Jaydub]
#12764073
05/21/18 09:01 PM
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Joined: Jul 2014
Posts: 4,363
Bobby Milam
TFF Team Angler
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TFF Team Angler
Joined: Jul 2014
Posts: 4,363 |
It should be wired directly back to your battery instead of the fuse block. You should adjust the size of the wiring according to the length of wire needed. Anytime that you run it directly to something like a factory fuse block you are at the mercy of whatever wiring job that someone at the factory put in as well as what is between that fuse block and the battery that could interfere. You also don't know the condition of the wires at this point and they could have some damage to them that is causing the issue.
You should have your battery checked and see if it is still working at optimal performance. It is possible that it could be your battery getting weak.
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Re: Depth Finder and Voltage Question
[Re: Bobby Milam]
#12764135
05/21/18 10:29 PM
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Joined: Feb 2002
Posts: 98
Jaydub
OP
Outdoorsman
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OP
Outdoorsman
Joined: Feb 2002
Posts: 98 |
Thanks. I guess I know what I'm doing this weekend.
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Re: Depth Finder and Voltage Question
[Re: Jaydub]
#12764184
05/21/18 11:23 PM
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Joined: Feb 2010
Posts: 12,267
shut-up-and-fish
TFF Guru
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TFF Guru
Joined: Feb 2010
Posts: 12,267 |
![[Linked Image]](https://farm5.staticflickr.com/4214/35243190830_389843bb65_n.jpg) www.shut-up-and-fish.comFrom *Sales, *Installation Services, and *On the water Education & Instructional Trips We have you covered here @ shut-up-and-fish for all of your Humminbird, Lowrance, Garmin, Minn Kota needs plus much much more - Call Now 972 822 9285
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Re: Depth Finder and Voltage Question
[Re: Jaydub]
#12764570
05/22/18 05:20 AM
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Joined: Jul 2014
Posts: 4,363
Bobby Milam
TFF Team Angler
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TFF Team Angler
Joined: Jul 2014
Posts: 4,363 |
It's not that bad of a job. get a fishing tape from home depot and carefully work it thru from the transom with a string attached. An hour of running cable and you'll be back on the water.
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Re: Depth Finder and Voltage Question
[Re: Jaydub]
#12764792
05/22/18 01:31 PM
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Joined: Feb 2017
Posts: 231
Madatu
Outdoorsman
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Outdoorsman
Joined: Feb 2017
Posts: 231 |
I had the exact same issue before with the unit shutting down randomly. I was using the fuse block as well. I had to run the wires to the battery itself and this went away. Good luck
Mike Warren
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Re: Depth Finder and Voltage Question
[Re: Jaydub]
#12766670
05/23/18 06:14 PM
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Joined: Feb 2010
Posts: 12,267
shut-up-and-fish
TFF Guru
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TFF Guru
Joined: Feb 2010
Posts: 12,267 |
I'm having a problem with my depth finder shutting off. Previously, it would shut down if the transducer was plugged in. The Garmin Support guys said to check my power supply so I checked it on my front mount (trolling motor battery) and same thing. They replaced the unit and it started off working briefly, then it started to do the same thing. Enough of the backstory.
Every now and then the unit will shut down when I start the big motor. It's like a surge or drop in power. If the power is coming off of the fuse block, shouldn't that be coming from the starting battery and not the alternator on the motor?
would the voltage on the starting battery change when the motor is cranked? It was great seeing you today Jay. Let us know if we can assist you with something else.
www.shut-up-and-fish.comFrom *Sales, *Installation Services, and *On the water Education & Instructional Trips We have you covered here @ shut-up-and-fish for all of your Humminbird, Lowrance, Garmin, Minn Kota needs plus much much more - Call Now 972 822 9285
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Re: Depth Finder and Voltage Question
[Re: Jaydub]
#12766736
05/23/18 07:03 PM
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Joined: Apr 2015
Posts: 1,818
Curtbass
Extreme Angler
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Extreme Angler
Joined: Apr 2015
Posts: 1,818 |
When buying wire to use in graph power supply, make SURE to buy the tinned copper wire for marine use. Regular automotive wire EILL. Corrode internallyun 1-3 yrs. issue raises its ugly head again.,
ELITE POWER SYSTEMS/ Elite Fishing Products
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Tight lines & stay safe out there.Gods blessings
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