Installing 24v Trolling Motor on boat with 12v system - Page 2 - Colorado Fishing Forum

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Old 04-19-2019, 03:05 PM   #11 (permalink)
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Well there you go... I have always up-sized wire when working with DC power and length of run or voltage increased. Never considered myself an electrical guy but I guess I heard that somewhere and have always increased. Guess too much is better than not enuff!
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Old 04-19-2019, 03:06 PM   #12 (permalink)
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He's also going from a 45# to an 80# TM.
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Old 04-19-2019, 03:13 PM   #13 (permalink)
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https://www.minnkotamotors.com/suppo...on-and-rigging

scroll down to wire sizing
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Old 04-20-2019, 04:53 PM   #14 (permalink)
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One of the disadvantages of a 16' boat (or any smaller boat) is storage space. I could see how it might be difficult to find a space for the 2nd battery. And if you end up mounting it way in the back, depending on your engine size, the boat could then have difficulty planing.

I wouldn't discount the salesperson just because he is in sales. If he has been doing this for a while, he likely is giving sound advice.
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Old 04-20-2019, 05:20 PM   #15 (permalink)
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Quote:
Originally Posted by Dakota View Post
My buddy is about to buy a 16' tracker that currently has a 42# 12v MK powerdrive on it. The boat currently has 2 batteries: (1) one for the main motor, and (2) one for the 12v trolling motor. He wants to install a 80# MK Terrova 24v, but the dealer is telling him its too complicated and that installing a 24v trolling motor on the system he currency has now would create endless electrical problems.

I'm calling BS.

Does anyone have experience with this?
Not discounting the salesman for anything other than him stating that... "its too complicated and that installing a 24v trolling motor on the system he currency has now would create endless electrical problems."
Other than placing another battery and possibly pulling new wire... it ain't rocket surgery... and would create ZERO electrical problems! I simply call 'em like I see 'em.
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Old 04-20-2019, 05:57 PM   #16 (permalink)
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Quote:
Originally Posted by Dakota View Post
My buddy is about to buy a 16' tracker that currently has a 42# 12v MK powerdrive on it. The boat currently has 2 batteries: (1) one for the main motor, and (2) one for the 12v trolling motor. He wants to install a 80# MK Terrova 24v, but the dealer is telling him its too complicated and that installing a 24v trolling motor on the system he currency has now would create endless electrical problems.

I'm calling BS.

Does anyone have experience with this?
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Originally Posted by ghostman View Post
Not discounting the salesman for anything other than him stating that... "its too complicated and that installing a 24v trolling motor on the system he currency has now would create endless electrical problems."
Other than placing another battery and possibly pulling new wire... it ain't rocket surgery... and would create ZERO electrical problems! I simply call 'em like I see 'em.
I guess I am reading it differently. "installing a 24V trolling motor on the system he currently has" to me means trying to run a 24V on the two batteries in the boat - using the starting battery with one other battery. Which could cause problems (dead battery) when trying to start. Would also likely cause interference if he is trying to run sonar as well.

Finding room for another battery is a separate subject - it is not part of his current system.

I'm not saying that I agree that it can't be done, but I would agree that it shouldn't be done unless you are able to add another battery, and since I don't know about the boat in question, I don't know how easy that would be, and if it would cause other issues (like the weight issue I mentioned earlier).
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Old 04-20-2019, 06:23 PM   #17 (permalink)
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I got ya. Another possibility would be to build a rack above bat #1, in the current battery location, and stack the 2nd on top if space allowed.
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Old 04-20-2019, 06:41 PM   #18 (permalink)
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PS: I just viewed the video really quickly. About 9 minutes into it, the guy talks about the challenges of mounting 2 batteries on a tracker V16. The location of the battery is between two storage spaces. Its is confined and the shape of the bow is preventing is such that mounting two batteries easily. His fix was to push one battery all the way to one side and mount as second, smaller battery due to space constraints. Seems doable.

It appears that there may be enough clearance above the battery to raise it up a couple of inches. Cut a piece of plywood and set it in that hull. If a 24 and a 27 fit as is. Raising the height inside the hull should allow fitting two 27s. Might only need to raise it an inch.

Last edited by hobiecat; 04-20-2019 at 06:49 PM.
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Old 04-21-2019, 06:36 PM   #19 (permalink)
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Worst case scenario... sacrifice a stowage compartment for a space to hold the bats. What means more to him... storage space or 80# TM?
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Old 04-21-2019, 08:28 PM   #20 (permalink)
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Quote:
Originally Posted by ghostman View Post
Worst case scenario... sacrifice a stowage compartment for a space to hold the bats. What means more to him... storage space or 80# TM?

Or, he could take the bait and buy a bigger boat.
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