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Pre wired for trolling motor

Old 08-05-2019, 04:01 PM
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Default Pre wired for trolling motor

Hi Guys,
I purchased a 2019 CS 21 ultra elite and was going to mount my own trolling motor. The boat is pre wired for 24v with the 2018bp-24 plug up front and two extra battery trays in the rear compartment. There are two positive leads and two negative leads at the battery trays. My trolling motor is getting delivered on wednesday. My questions are

at what point does it convert to 24v? In the receptacle or is there a jumper in the plug? The reason I am asking what charger do I install in the boat. A 24 volt or a 12 volt since the batteries are not in series?

Thank you in advance, I love this forum!
Old 08-05-2019, 06:32 PM
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The batteries are wired so the tm wire positive connects to the positive of battery A, then the negative of battery A connects to the positive of the battery B, the the negative from the tm wire to the negative of battery B. No conversions happen. As far as chargers, get a 2 or 3 bank 12v charger and connect each bank or lead to each battery. I said a 3 bank so your starting battery gets charged too.

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Old 08-06-2019, 02:32 AM
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Originally Posted by ole_blue View Post
The batteries are wired so the tm wire positive connects to the positive of battery A, then the negative of battery A connects to the positive of the battery B, the the negative from the tm wire to the negative of battery B. No conversions happen. As far as chargers, get a 2 or 3 bank 12v charger and connect each bank or lead to each battery. I said a 3 bank so your starting battery gets charged too.
Thank you so much for the help!
Old 08-06-2019, 03:28 AM
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Be sure and check the voltage at your plug before plugging in your trolling motor. By using the above mentioned wiring you should have 24 volts but your plug could have jumpers in it for a different voltage.
I recommend a Battery Tender trolling motor receptacle and plug.

Old 08-06-2019, 03:47 AM
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Originally Posted by marlinpruett View Post
Be sure and check the voltage at your plug before plugging in your trolling motor. By using the above mentioned wiring you should have 24 volts but your plug could have jumpers in it for a different voltage.
I recommend a Battery Tender trolling motor receptacle and plug.


Will do! I was kinda thinking the plug would have jumper wires in it. The receptacle can do 12 or 24, but the plug itself is labeled as a 24. I was definitely going to check voltage in receptacle and plug to make sure before I hook up to motor.

Thank you!
Old 08-06-2019, 03:48 AM
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Originally Posted by Codycat View Post
Thank you so much for the help!

And thank you for the advice on a 3 bank. It makes sense. I probably would have just gotten a 2 bank.

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