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Hooking up a GPS VHF AM-FM-CD

Old 08-01-2005, 10:06 PM
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Default Hooking up a GPS VHF AM-FM-CD

I have a main battery for the motor and a 24 volt 3bank charger for my trolling motor and main battery.

I am adding new electronics and in doing so I started pondering my intended hook up as far as voltage is concerned.

Can I dump the third bank on the main battery from the charger since the motor will charge it as I run and add an additional battery up front in the console, attach it to the third bank of the battery charger and place my electronics on it or can I tap one of the batteries of the 24 volt system and achieve 12 volts without changing anything or screwing up. I am adding and have already installed a Garmin 198C and an Icom 302 VHF and will put my Clarion in tomorrow but today I started thinking about I might need to backup and punt on my power choices. I will do some more thinking and some research but know some of you out there already know which direction I should go in and could possibly save me some time doing research. I guess what I need to know is can I tap a 24volt bank using one battery for 12 volts and will one3 battery run a am/fm/cd and a 198C/VHF without dieing during a normal outing. If it were you what say you as to how you might set this up

Any help would be appreciated.

Thanks in advance!

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Old 08-01-2005, 10:43 PM
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Default Re: Hooking up a GPS VHF AM-FM-CD

Sorry I fubarred.. I have a 3-bank 12-volt charger. One 12 volt for the motor and a 24-volt setup for a trolling motor. Got to typing so fast I misrepresented myself. Anyway with this you should get the jist of what I am asking. Should I add another battery for the electronics and disconnect the main motor battery or can I hook to one of the 12 volt batteries making up the 24 volt system and get my twelve volts. Kind of feel I need to add one so as not to tkae away from the 24volt trolling setup.

Any help would be appreciated!!
Old 08-01-2005, 11:16 PM
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Default Re: Hooking up a GPS VHF AM-FM-CD

Man you guys are killing me..

I have got two more days before I am three or four weeks out at work. Are there not any of you that might hook a brother up??? I know most of you who respond are asleep so I look forward to the morning as you guru's wake up. I can wire/re-wire add or re-do but I need to know what and how much I am leaning in the wrong direction. The guys at the dealership are like huh?

As before any help would be appreciated!
Old 08-01-2005, 11:54 PM
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Default Re: Hooking up a GPS VHF AM-FM-CD

An idea - remove the starting battery from the charger (will charge from alternator). Install a new deep cycle house battery for the electronics and connect to the charger. Install a battery switch for use with the starting & house batteries.
Old 08-03-2005, 05:45 PM
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Default Re: Hooking up a GPS VHF AM-FM-CD

Since you are a non-member it appears you are not going to get any assistance. Of course your posts in the past may dictate some of that as well. Anyway>>

I'm no expert on batteries but everything I know tells me not to tie on the 24-volt setup. If you do what you are saying you will likely drain this new battery even though you charge it over night. You need to invest a little more money and get you a battery selector switch and some heavy duty wire however much you will need to get to the motor battery. Hook both the new electronics battery and the motors battery to the selector switch. You will have 1-2-ALL or BOTH and OFF. Tie one battery to the number 1 and the other to the number 2. This way the new battery you install for the electronics will have the capability of being charged while running and over night. Plus you can only select the motors battery if you don't want to run the electronics you mentioned. If it were me that is what I would do. Someone else might suggest a different or better way but it was looking like that was not going to happen anytime soon.

Good luck
Old 08-03-2005, 05:48 PM
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Default Re: Hooking up a GPS VHF AM-FM-CD

Elusive - 8/1/2005 11:54 PMAn idea - remove the starting battery from the charger (will charge from alternator). Install a new deep cycle house battery for the electronics and connect to the charger. Install a battery switch for use with the starting & house batteries.

That should be the best way to go.
Old 08-04-2005, 11:01 AM
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Default Re: Hooking up a GPS VHF AM-FM-CD

I have the exact battery & charger set up you, and the same electronics (except I have the POS Jensen stereo). You can use one of the two 12V batteries to carry your electronics instead of the house/crank battery. However, I tried and could not because I use the NMEA 0183 from the 198c for the Yamaha fuel mgmt gauge, it won't work that way. It needs to be on the same battery as the motor. That said, I'm sure you've been reading some of the guys are having problems with the 198c and I believe if it's hooked on a battery with nothing else such as VHF or engine, it'd be better. Of course, I know about as much about electronics as I do the space shuttle....

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