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Battery Switch..question
#11098891
09/12/15 11:29 PM
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Joined: Mar 2013
Posts: 9,169
Lee in Texas
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Posts: 9,169 |
Is it worth the money to buy and install a switch just in case the main engine starting battery ever fails to start, to switch over to one of the trolling motor batteries? Just curious ... Thanks in advance God Bless
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Re: Battery Switch..question
[Re: Lee in Texas]
#11098903
09/12/15 11:34 PM
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Joined: Jul 2014
Posts: 4,340
Bobby Milam
TFF Team Angler
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TFF Team Angler
Joined: Jul 2014
Posts: 4,340 |
Or just carry jumper cables then you can jump off of someone elses boat also
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Re: Battery Switch..question
[Re: Lee in Texas]
#11099315
09/13/15 02:17 AM
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Joined: Oct 2012
Posts: 1,925
smooth move
Extreme Angler
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Extreme Angler
Joined: Oct 2012
Posts: 1,925 |
i made a set of jumper cables just for that. used #8 wire and alligator clamps. about 10' long, reach from my trolling motor batteries to the crank battery. haven't had to use them yet, but i've got em if i need em!
es le bon ton roulet
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Re: Battery Switch..question
[Re: Lee in Texas]
#11099482
09/13/15 03:05 AM
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Joined: Aug 2011
Posts: 2,957
Bob Landry
Extreme Angler
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Extreme Angler
Joined: Aug 2011
Posts: 2,957 |
A battery switch that will connect the positive terminals of your batteries is worthwhile. A jumper cable will work, but the switch eliminates clutter. You may not always have access to another boater to help you out.
2015 Seaark 1872 MV CC Etec-90 Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic 2020 Robalo R200 CC, Yamaha 150
Bitter Gun Owner Bitter Clinger Armed Infidel
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Re: Battery Switch..question
[Re: Lee in Texas]
#11099690
09/13/15 09:42 AM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Will not work because the trolling motor battery`s and the cranking battery uses a separate ground. You would have mount 2 separate switch`s. Just a suggestion keep the jumper cables in a water proof container. I don`t know how many times I have seen booster cables that look like they have been laying on the bottom of the lake. Useless.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: Battery Switch..question
[Re: Lee in Texas]
#11099691
09/13/15 09:51 AM
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Joined: Mar 2013
Posts: 9,169
Lee in Texas
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Thanks....guess I'll look around for an inexpensive set of cables and jumbo zip lock baggie God Bless
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Re: Battery Switch..question
[Re: gary purdy]
#11099757
09/13/15 12:11 PM
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Joined: Aug 2011
Posts: 2,957
Bob Landry
Extreme Angler
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Extreme Angler
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Will not work because the trolling motor battery`s and the cranking battery uses a separate ground. You would have mount 2 separate switch`s. Just a suggestion keep the jumper cables in a water proof container. I don`t know how many times I have seen booster cables that look like they have been laying on the bottom of the lake. Useless. Why can't you connect the starting battery to the first trolling motor battery in a 24V or a 36V string? I have a 24V system and my lights and electronics are running off the positive post on the first battery which provides 12V and shares a common ground with the starting battery. Which brings me to another question. Is there a reason to not have the starting battery and the one supplying 12V to the boat's systems on the same ground? When had a 12V TM, I installed a Blue Sea ACR and the installation diagram showed the starting and "house" battery using a common ground. That should be OK with my current system as long as it's the 12V sources sharing the ground.
2015 Seaark 1872 MV CC Etec-90 Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic 2020 Robalo R200 CC, Yamaha 150
Bitter Gun Owner Bitter Clinger Armed Infidel
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Re: Battery Switch..question
[Re: Lee in Texas]
#11100949
09/13/15 11:33 PM
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Joined: Jul 2014
Posts: 4,340
Bobby Milam
TFF Team Angler
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TFF Team Angler
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Posts: 4,340 |
Thanks....guess I'll look around for an inexpensive set of cables and jumbo zip lock baggie God Bless Don't go too cheap. The really cheap ones have small wires and don't do so well jumping. If you've ever jumped a car with them, remember how long you had to wait for them to get enough of a charge through to crank the engine? Put a small wire brush in there to clean them for a good connection.
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Re: Battery Switch..question
[Re: Bob Landry]
#11102594
09/14/15 02:08 PM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Seen that tryed years ago Bob and if you connect a another battery into a 24v system that jumps 24v at the battery`s it will act like a welder when you connect the cranking battery + & - to one of the trolling motor battery`s. Yes you can draw 12 volts from one battery in a 24 or 36v system.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: Battery Switch..question
[Re: Lee in Texas]
#11103648
09/14/15 11:20 PM
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Joined: Aug 2011
Posts: 2,957
Bob Landry
Extreme Angler
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Extreme Angler
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I'm talking about connecting the start battery pos post with the pos post on the 12V battery, not the pos post that supplies 24 volts to the trolling motor.
2015 Seaark 1872 MV CC Etec-90 Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic 2020 Robalo R200 CC, Yamaha 150
Bitter Gun Owner Bitter Clinger Armed Infidel
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Re: Battery Switch..question
[Re: Bob Landry]
#11108892
09/17/15 10:07 AM
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Joined: Sep 2008
Posts: 121,077
hopalong
Pescador Loco
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Pescador Loco
Joined: Sep 2008
Posts: 121,077 |
I'm talking about connecting the start battery pos post with the pos post on the 12V battery, not the pos post that supplies 24 volts to the trolling motor. to safely jump from a 24 volt system you need to disconnect the jumper wire from the 24 volt then hook up to one battery for the jump.
" Hop, set the hook"! hopalong 99,999 TexDawg 99,999 FJB! not my president by a long shot!
lake fork FISHERMANS COVE MARINA/reservations - 903 474 7479
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Re: Battery Switch..question
[Re: Lee in Texas]
#11108908
09/17/15 10:40 AM
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Joined: Mar 2013
Posts: 9,169
Lee in Texas
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Morning, all good points but, back to original question: Is there no one who has installed or uses a 'switch' from main battery to one of the 24V TM batteries ? Doesn't sound like it ... God Bless
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