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Jan 23rd, 2013
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Electronics issue #12796254
06/18/18 11:21 AM
06/18/18 11:21 AM
Joined: Mar 2009
Posts: 875
Wylie
C
coachmatt Offline OP
Pro Angler
coachmatt  Offline OP
Pro Angler
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Joined: Mar 2009
Posts: 875
Wylie
we have a humminbird 597C at the bow of the boat and everytime we turn off the big motor the unit also turns off. we have to turn the master power switch off then back on, then go to the front to turn the unit back on. What would be causing this? Wiring issue?

Re: Electronics issue [Re: coachmatt] #12796274
06/18/18 11:36 AM
06/18/18 11:36 AM
Joined: Jul 2009
Posts: 449
Austin
S
Skunked Again Fishing Offline
Angler
Skunked Again Fishing  Offline
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Joined: Jul 2009
Posts: 449
Austin
Check the voltage at the bow where it connects into the 597C. I had a similar issue in the past where the wire feeding it was shorting out; not a complete short, but was just enough to drop the voltage to under 12V. Some units shut down if the voltage is below a certain value.

You can also troubleshoot by running a new wire directly from the battery to the 597C to see if it powers on without the big motor. If it does, replace the wiring with new. Good luck


One 10-pounder is better than ten 1-pounders
YouTube Channel: www.youtube.com/SkunkedAgain
Re: Electronics issue [Re: Skunked Again Fishing] #12796281
06/18/18 11:39 AM
06/18/18 11:39 AM
Joined: Apr 2006
Posts: 15,789
Highland Lewisvillage
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outfishdya Online happy
TFF Guru
outfishdya  Online Happy
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Joined: Apr 2006
Posts: 15,789
Highland Lewisvillage
check your grounding, bad grounds cause all kinds of electrical gremlins


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Re: Electronics issue [Re: coachmatt] #12796295
06/18/18 11:45 AM
06/18/18 11:45 AM
Joined: Jan 2010
Posts: 3,420
North Richland Hills, TX
Fishinfellow Online content
TFF Team Angler
Fishinfellow  Online Content
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Joined: Jan 2010
Posts: 3,420
North Richland Hills, TX
Whenever I have power issues with a big item like a fish finder I usually just run my own power wire to the battery and eliminate any doubt...


Thats my money fish

Kris Winhold
Re: Electronics issue [Re: coachmatt] #12796326
06/18/18 11:58 AM
06/18/18 11:58 AM
Joined: Mar 2007
Posts: 12,187
Plano,Texas
F
forkduc Offline
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forkduc  Offline
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Posts: 12,187
Plano,Texas
Post in general equipment

Re: Electronics issue [Re: coachmatt] #12796345
06/18/18 12:08 PM
06/18/18 12:08 PM
Joined: Jul 2014
Posts: 3,619
Arlington
B
Bobby Milam Offline
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Bobby Milam  Offline
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Joined: Jul 2014
Posts: 3,619
Arlington
Is it connected directly to the battery, not connected into the existing wiring? It should be run direct to the battery alone and have a fuse.

Did you upgrade the wiring to a heavier gauge? The extra length for the bow unit, should bump it up from what you needed for the console.

Is the battery fully charge and in good condition? If it was getting weak, it could cause it but more than likely it is the wiring to the unit itself

Re: Electronics issue [Re: coachmatt] #12796669
06/18/18 03:43 PM
06/18/18 03:43 PM
Joined: Jun 2012
Posts: 93
azle,texas
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carlots Online content
Outdoorsman
carlots  Online Content
Outdoorsman
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Joined: Jun 2012
Posts: 93
azle,texas
if this is a new problem it sounds like a weak battery. if I understand your problem with engine running and you turn it off you will have a voltage drop because you were running on a higher alternator voltage. I had a similar problem a year ago. good luck. let us know what you find.

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