Trolling Motor Tripping Breaker

This topic has 10 replies, 8 voices, and was last updated 11 years, 8 months ago by jwthomas.

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April 23, 2014 at 12:18 am #293301

Ricochet15
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I bought a p2 with motorguide trolling motor at first I never noticed this a problem but one evening it tripped the breaker located in the bildge when running on 100 percent. I recently traded trolling motors for a minn kota fortrex 80lb 24v motor and it blows the breaker on 100 percent also. Could the breaker be weak? It runs fine on any other percent except if I run it on 90 for a long stretch it will do it also. Breaker is rated for 50 amps.

April 23, 2014 at 12:43 am #293302

NacCat
Participant

Im running the same trolling motor and had problems with older worn out breakers tripping. How old are your breakers? Ive run a 36 volt trolling motor since 2000 and have always used the same breakers you have described. I suspect you have a worn out breaker. If I were to change it out I would change both out. Mike

April 23, 2014 at 12:46 am #293303

Ricochet15
Participant

The boat is a 2012, was thinking it was quick for a breaker to start going bad.

April 23, 2014 at 12:49 am #293304

Mainliner61
Participant

I had the same problem with a 36v MK after a few years of use. Replaced the breakers and fixed it. If I remember correctly, mine were also 24v 50A breakers

April 23, 2014 at 12:57 am #293305

pops77s
Participant

Ive had the breakers go out in a matter of a couple of months. I carry spares with me at all times.BrianBrianHAWG Hunter2013 BassCat Eyra2013 Mercury 250 Pro XS Gen2 L/U

April 23, 2014 at 1:31 am #293306

billius
Participant

As the others have said replace the breakers, that should solve the problem. Is there any corrosion on the posts on the breakers? I had to replace them all the time on my Baycat. Only once on my 09 Cougar though. I keep several spares on my boat, just in case.

April 23, 2014 at 3:57 am #293307

Ricochet15
Participant

Thanks everyone for the help. Ill get some breakers and replace them.

October 11, 2014 at 12:55 am #374521

GRR884
Participant

I would order some new breakers from BCB parts. Yes, your breaker is bad. Once a breaker trips and continues to trip it loses some capacity each time to the point where itll trip all the time. I bet by replacing them corrects your problem. It doesnt hurt to have spares either. 50A would be the correct breaker.

October 11, 2014 at 2:22 am #374524

billius
Participant

I would agree, the breaker is likely bad. However, Id also check the battery wires where they attach to the battery. Could be some corrosion up into the wires. I had that happen on the Baycat I had for a while. I also had breakers go bad on it as well. I carry spare breakers in the boat.

October 11, 2014 at 1:19 pm #374527

Jones TrollingMotor
Participant

Connections in the plugs, connections at the batteries, as well as bad breaker will cause it to trip on high. On high, the current isnt pulsing, but feeding directly full time to the trolling motor. On the MK 80, you need a 60A breaker. It will draw apx 55A on high.JohnJones Trolling Motor Services870 773 3474Motorguide/MinnKota/PowerPole/Lowrance/Humminbird

October 11, 2014 at 1:28 pm #374530

jwthomas
Participant

I agree that a 50 A breaker is light for the trolling motor. A 60A would be better. Carefully check all connections for corrosion and clean as necessary. A loose connection will generate heat and cause damage to the wiring. The circuit breaker is in the loop to protect the wiring, not the motor.
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