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Joe
Joe, Marine Mechanic
Category: Boat
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Experience:  ASE, electronics, Marine mechanical and electronics, pwc, wiring, all around repair tech,
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I have a 2002 Lowe 170 WBLSN bot with a 12 volt, 56 lb thrust

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I have a 2002 Lowe 170 WBLSN bot with a 12 volt, 56 lb thrust trolling motor. it doesn't have enough power even on high to hold the boat fishing in over a 10 mph wind. Can I go to a 24 volt system [ already have a 76 lb 24V trolling motor] without having to run heavier wire for the system. I cant find any specs on the wire size. it seems to be either 10 or 8 gauge



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What gauge wire is run for the current trolling motor?

 

Thanks,

Joe

Customer: replied 4 years ago.

I can't really tell, appears to be at least 10 gauge what ever that was put on from the factory

What is the model number of the current 12v motor and the 24v as well?

 

Thanks,

Joe

Customer: replied 4 years ago.

12 volt is Minn-Kota All Terrain 55AT . New one is Minn-Kota 75 lb thrust, don't know Model number, it's at my son's house

Ok, the gauge of the wire will depend on the length of the wire needed and the amperage of the motor.... going to 24v will usually reduce amperage over 12v however your also going to a larger motor as well... I would need to know the model number but you can figure out the amperage and size breaker you need as well from that motor.....

 

Depending on the length your most likely looking at 10gauge to 6 gauge wire.

 

A typ 70lb will draw around 40ish amps.... this again needs to be known exactly from the model number.

 

You can also use this to help you: http://www.ehow.com/how_6071778_determine-electrical-wire-gauge.html

 

If you use the incorrect gauge in this case too small of wire you will know it as during use the cable will get hot/warm indicating larger cable is needed so it's important to use the right size to begin with to save money replacing it and to prevent a fire.

 



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Joe



 



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Customer: replied 4 years ago.

I checked 24 volt motor, It is a Minn-Kota Edge 70, 70 lbs thrust The boat is 17 feet long, will be running wires from back to front

6 Gauge cable marine rated tinned. Then a 50 amp breaker. 2 batteries for the trolling motor wired in series for 24vdc. Use either crimp on lugs to connect to the battery or solder on lugs.

 

Thanks,

Joe

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