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Dec 30th, 2023
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 What battery do you hook your sonar to?
#8773111
03/31/13 11:05 PM
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Joined: Jun 2008
Posts: 17,346
Jacob
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TFF Guru
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OP
TFF Guru
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Posts: 17,346 |
I've got my accessories, 3 sonars, and motor all hooked to the cranking battery. I have two trolling batteries and only use them one at a time. I only have my trolling motor hooked to those batteries. Do I have too much hooked to my cranking battery? I just got a brand new cranking battery and my Elite 5 dsi only shows 11.4 volts, but my old eagle shows 12.5? Very frustrating!
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8773133
03/31/13 11:11 PM
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Joined: Dec 2004
Posts: 1,098
slabslayer1105
Extreme Angler
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Extreme Angler
Joined: Dec 2004
Posts: 1,098 |
I would throw another one in there if I was you. Dont want to get out there been sitting at one spot a while and go to leave only to find out your electronics drained your battery. I have a cranking battery, 2 tm batteries and threw another one under the consoles for all other electrical needs in my boat. I am just using a group 29 interstate deep cycle under the console one i had laying around.
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8773172
03/31/13 11:24 PM
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Joined: Jun 2008
Posts: 17,346
Jacob
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TFF Guru
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I usually only use two sonars at a time. I just don't get why it's showing such low voltage? My tester said the battery is putting out 13.5 volts?
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8773380
04/01/13 12:18 AM
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Joined: May 2012
Posts: 2,613
horton5303
Extreme Angler
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Extreme Angler
Joined: May 2012
Posts: 2,613 |
Electronics on the Cranking Battery and Trolling motor needs to have its own Batteries.
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8773508
04/01/13 12:54 AM
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Joined: Jul 2004
Posts: 208
Tod Fridge
Outdoorsman
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Outdoorsman
Joined: Jul 2004
Posts: 208 |
Definitely the cranking battery.
Flying Fisherman
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8773532
04/01/13 01:00 AM
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Joined: Jul 2012
Posts: 3,270
piscatur non solum piscator
TFF Team Angler
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TFF Team Angler
Joined: Jul 2012
Posts: 3,270 |
I use the cranking battery for the sonar also. Haven't had any problems in the last few years.
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8773598
04/01/13 01:16 AM
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Joined: Dec 2012
Posts: 37
XL Erate
Outdoorsman
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Outdoorsman
Joined: Dec 2012
Posts: 37 |
I'm gonna bet that the battery is fine and the wiring you have goiing to the sonar is too small....i.e. voltage drop.
If the battery shows 13.5 but by the time it gets to the graph it's 11.5 it's in the wiring
Just my 2 cents
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8773622
04/01/13 01:23 AM
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Joined: Jun 2008
Posts: 17,346
Jacob
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TFF Guru
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OP
TFF Guru
Joined: Jun 2008
Posts: 17,346 |
Hadn't thought of that! Very well could be the problem!
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Re: What battery do you hook your sonar to?
[Re: slabslayer1105]
#8773760
04/01/13 01:48 AM
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Joined: Dec 2012
Posts: 37
XL Erate
Outdoorsman
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Outdoorsman
Joined: Dec 2012
Posts: 37 |
I would throw another one in there if I was you. Dont want to get out there been sitting at one spot a while and go to leave only to find out your electronics drained your battery. I have a cranking battery, 2 tm batteries and threw another one under the consoles for all other electrical needs in my boat. I am just using a group 29 interstate deep cycle under the console one i had laying around. Just a suggestion, but have had that trouble at night with all the lights and acc running and very little engine time. Easy solution for me was just throw a set of cheap jumper cables in one of the storage bins and if the need arises use the trolling batteries to crank it.
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8774100
04/01/13 02:50 AM
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Joined: Dec 2004
Posts: 1,098
slabslayer1105
Extreme Angler
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Extreme Angler
Joined: Dec 2004
Posts: 1,098 |
Sorry I misunderstood the question, But to reply to XL I dont like relying on jumper cables I just dont like the idea of it. If i ran my tm batteries all day they might not have anything left either. Then your up a creek, but Im the kinda guy who has everything he needs in a boat to fix just about any problem you can encounter
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8774132
04/01/13 02:57 AM
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Joined: Jun 2010
Posts: 2,100
Dutch1947
Extreme Angler
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Extreme Angler
Joined: Jun 2010
Posts: 2,100 |
Console Lights, Nav Lights, Bilge Pump, HDS-7, and Aerator, all on Cranking Battery. I have two TM Batteries for my 12 Volt 55 Lb. TM. My up front HDS-5 runs on which ever TM Battery I am using at the time. With two TM batteries I have enough TM power to fish for at least two days of hard fishing before I need a charge..
Last edited by Dutch1947; 04/01/13 02:57 AM.
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8774263
04/01/13 03:31 AM
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Joined: Jun 2008
Posts: 17,346
Jacob
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TFF Guru
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OP
TFF Guru
Joined: Jun 2008
Posts: 17,346 |
Dutch, do you have your two TM batteries connected, or do you switch back and forth?
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Re: What battery do you hook your sonar to?
[Re: XL Erate]
#8774662
04/01/13 10:57 AM
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Joined: Jan 2005
Posts: 4,156
OkieBob
TFF Team Angler
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TFF Team Angler
Joined: Jan 2005
Posts: 4,156 |
I'm gonna bet that the battery is fine and the wiring you have goiing to the sonar is too small....i.e. voltage drop.
If the battery shows 13.5 but by the time it gets to the graph it's 11.5 it's in the wiring
Just my 2 cents Guarantee this is your problem. Your wire size is too small to run everything. Simple fix is to upgrade your wiring for the electonics all the way back to your cranking battery. Suggest you use a size 12 wire. Also, not sure I understood what you said. If you have two batteries for your TM wire them in series and you won't need to switch them back and forth. Maybe I misunderstood?
I'M SOONER BORN, SOONER BRED AND WHEN I DIE I'LL BE SOONER DEAD! Chickasaw proud. ![[Linked Image]](http://i11.photobucket.com/albums/a187/Matthew__Carroll/newjigumjigs.jpg) CallMatthew@972-754-1698 http://jigumjigs.comMEMBER WALLY MARSHALL'S MR CRAPPIE PROSTAFF MEMBER JIGUM JIGS PROSTAFF
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Re: What battery do you hook your sonar to?
[Re: OkieBob]
#8774937
04/01/13 01:08 PM
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Joined: Jun 2008
Posts: 17,346
Jacob
OP
TFF Guru
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OP
TFF Guru
Joined: Jun 2008
Posts: 17,346 |
I'm gonna bet that the battery is fine and the wiring you have goiing to the sonar is too small....i.e. voltage drop.
If the battery shows 13.5 but by the time it gets to the graph it's 11.5 it's in the wiring
Just my 2 cents Guarantee this is your problem. Your wire size is too small to run everything. Simple fix is to upgrade your wiring for the electonics all the way back to your cranking battery. Suggest you use a size 12 wire. Also, not sure I understood what you said. If you have two batteries for your TM wire them in series and you won't need to switch them back and forth. Maybe I misunderstood? My TM is 12v. I thought about wiring them parallel, but don't want to put extra strain on one battery, so I wanted to just use one at a time and switch when one gets low.
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Re: What battery do you hook your sonar to?
[Re: Jacob]
#8775032
04/01/13 01:36 PM
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Joined: Jan 2005
Posts: 4,156
OkieBob
TFF Team Angler
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TFF Team Angler
Joined: Jan 2005
Posts: 4,156 |
Yes, parallel, not series for 12V operation. Better than switching.
I'M SOONER BORN, SOONER BRED AND WHEN I DIE I'LL BE SOONER DEAD! Chickasaw proud. CallMatthew@972-754-1698 http://jigumjigs.comMEMBER WALLY MARSHALL'S MR CRAPPIE PROSTAFF MEMBER JIGUM JIGS PROSTAFF
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