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Trolling motor, livescope, fishfinder hook up #13923624 03/15/21 04:30 PM
Joined: Feb 2009
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Sherman Fisher Offline OP
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I am installing a Minn Kota trolling motor (i-pilot) 12v, a Garmin 93SV fish finder, and a Garmin Livescope on my pontoon boat. I already have a small Humminbird fishfinder at the back of the boat powered by one battery. My question is how do I wire up the three items listed above? Do I need an extra battery??

Re: Trolling motor, livescope, fishfinder hook up [Re: Sherman Fisher] #13923925 03/15/21 08:41 PM
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Bahala Offline
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I would install the electronics on the battery you have, then install a second battery for the trolling motor. You want to keep your electronics separate from your trolling motor to reduce interference.


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Re: Trolling motor, livescope, fishfinder hook up [Re: Bahala] #13924152 03/16/21 12:23 AM
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Sherman Fisher Offline OP
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That's what I was thinking. Thanks for your input.

Re: Trolling motor, livescope, fishfinder hook up [Re: Sherman Fisher] #13924188 03/16/21 12:54 AM
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Ditto on everything to the boat's main (starting battery) except for the trolling motor. You want a large deep cycle battery for the trolling motor, with a Group 27 or Group 31 size for that deep cycle battery. If you have access to Sam's Club, they sell a good deep cycle battery in Group size 31 for $100 + fees/tax. You'll also need an appropriate circuit breaker and possibly some 6 gauge wire, depending on where you locate the battery. Your trolling motor will draw a LOT of amps, so operating without a breaker is not advised; it can be dangerous, start a fire if something goes wrong. Post which pound thrust motor you have and I can tell you the breaker size you need.

Re: Trolling motor, livescope, fishfinder hook up [Re: Sherman Fisher] #13928884 03/19/21 05:01 PM
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hopalong Online Confused
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run a 12ga. wire for the garmins, upgrade the start battery to a combination in at least a grp 27 size if it is not already.

use a 10a fuse at the battery and the fuse that came with the garmins at the front connection.


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