t-motor kicks off

This topic has 9 replies, 7 voices, and was last updated 16 years, 3 months ago by Hooter.

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February 22, 2010 at 2:36 pm #401468

HARLEYBASSCATER
Participant

First I have a MG tour 109 digatal 36v motor. I took it out for a test run the other day and it would turn off after running on hi-by pass for about 2 min. it would stay off for about 1 min. then turn back on and run again for another 2 min. My question is are the batteries hooked up right, or is there some kind of fuse I need to change out? This is on a 1994 pII that used to have the old 1994 brute 765 65# lb thrust 24/36 volt t-motor on it. I did not know if this big boy I have now it just to much for an old boat and wiring. What can I do to fix the problem. I am hoping that it is the fuse or the wiring and not the motor. Also how do you know if the batteries are set up the right way for a 36 volt system? I do not think that they are, because everything is POS to POS and NEG to NEG. Any and all info would help. Thanks

February 22, 2010 at 2:50 pm #401470

Ecat
Participant

It sounds like you are tripping the in-line circuit breaker. Once it cools off, it will reset its self. Some type have to be manually reset. Yours may just be getting week.

February 22, 2010 at 2:51 pm #401473

basscathash
Participant

You will need jumpers between the positive of battery 1 to the negative of battery 2. Same from battery 2 to battery 3. Then the positive from battery 3 and the negative from battery 1 goes to the troller. Brian Harley, If your batteries are connected positive to positive and negative to negative like you say then your 36V trolling motor is getting 12V. I suspect that is why it is shutting down. If a breaker trips, it will not reset itself. You will have to manually reset it. As Bass Cat suggests, replace the breaker to be sure you have a strong breaker for your new set-up. Last edited by basscathash on February 22nd, 2010, 5:02 pm, edited 1 time in total.

February 22, 2010 at 4:23 pm #401476

Jimpantera2
Participant

Sounds like the breaker is tripping

February 22, 2010 at 4:37 pm #401479

Bass Cat Boats
Keymaster

I had a lot of trouble with the breakers and wiring on my Baycat…mostly due to salt water, even though I had all the terminals coated with vaseline. You probably need a new breaker and or you may have corrosion in your wiring. The corrosion can occur even in fresh water over time. Id replace the breaker and see what happens…if its still doing it, then Id cut off the ends of the wires where they hook to the battery and the circuit breaker and put new connectors on them. I always carry two spare circuit breakers of each size that is needed on my boat…just in case.

February 22, 2010 at 4:51 pm #401482

Bass Cat Boats
Keymaster

Harley, On an older boat like this, a set of breakers would be suggested.

February 22, 2010 at 7:35 pm #401484

cajunangler
Participant

I agree with basscathash on the wiring scheme. Another quick way to determine what voltage is at the plug for the trolling motor is the use of a multi-meter. Most these days are automatic but you will have to set it to DC voltage. Anyway, touch the leads to the terminals inside the female plug and you should read 36+ (or 36- if you have the polarity backwards). Either way it will let you know quickly if you have the proper voltage coming from the batteries. It sounds like you currently have them linked in parallel and you need them in series to generate 36 volts.Good Luck

February 22, 2010 at 9:54 pm #401487

HARLEYBASSCATER
Participant

What size do I need, and how many do I need? Is there one for each battery or just one for the t-motor? Sorry about all the questions, just do not know a whole lot about older stuff. I found them in the parts page, but there were three or four different amp. sizes and one push button style. What will I need. Last edited by HARLEYBASSCATER on February 22nd, 2010, 10:01 pm, edited 1 time in total.

February 22, 2010 at 10:29 pm #401490

basscathash
Participant

As far as what size breaker you need, I think a 50A will work and it should be on the positive wire to your trolling motor. Bass Cat or someone else will correct me if I am wrong.Brian

February 23, 2010 at 2:36 am #401493

Hooter
Participant

I had the same problem with a 24 v MK. A new, 60 amp breaker fixed the trouble. (2002 Sabre)
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