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Posts: 158
Location: Burlington, WI | I have MinnKota Powerdrive V2 70pd 24V. Everything was working fine before I put the boat away for the winter. I get the boat out this spring, get my batteries back in, hook up all of the wiring, plug the trolling motor in, and it won't do a thing. I pushed the test button to see if there was power going to the motor, and the test button showed full power. Here are the things I have already tried to fix the problem.
- Step 1. made sure all of the wiring was connected to the proper terminals. I have the batteries set up in series, not parrallel. There is a wire connected to the positive on battery number 1, and one connected to the negative on battery number 2 that go to the motor. The other wire connects from the negative on battery number 1 to the positive on battery number 2 making the series.
- Step 2. cleaned/sanded all of the terminals and connections to make sure there was a good connection, and corrosion wasn't a problem. No change.
- Step 3. tried a different foot pedal to see if the pedal was the problem. No change.
- Step 4. tested the volts to make sure there was 24 volts going to the plug on the bow of the boat where the motor plugs into. There was 24 Volts, and then there was a short and the tester prong got melted off with a puff of smoke coming up. I was advised there was a short in the male plug.
- Step 5. I changed out the plugs and the motor still will not work, but the test button still shows there is juice to the motor.
I currently have the motor at a repair shop to check it out and see if there is a problem with the motor itself. I was wondering if anyone had an idea what the problem might be. If the motor/curcuit boards are fried, is it worth fixing the motor or just buying a brand new one? Is there a way to prevent this in the future besides having breakers? Which I do have. Unfortunately, for some reason I had 12 amp breakers on instead of 24 amp breakers.
Any input would be appreciated.
Thanks
Greg
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Posts: 743
| you probably just need a few foot pedal. 99% of problems on my power drive are fixed with a new foot pedal. i keep a new spare in my boat at all times. try to plug in one or your buddies and see if that works. i didnt even read you post...just assuming it's your foot pedal |
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| Most trolling motors have 30-50amp fuses or breakers protecting them. Check with MinnKota for the right size for your motor. If you have 12 amp fuses, that would trip or blow a lot sooner than a larger size would-so you could argue that you had better protection than with a larger size fuse. Sounds like your confusing the 12/24 volts with a 12/24 amp fuse, not the same apple to apple situation. I have my doubts that your trolling motor would have worked before on a 12a fuse, any load and it would have blown. A 3 amp fuse is generally recomended for electronics, so think about that as a comparison. Fuses have a voltage rating also, but were talking about automotive size fuses here, not larger ac electrical components. I think minnkota sells different size breakers if you want to go that route.
pmv |
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Posts: 416
Location: Madtown, WI | I can't really offer any advice outside the obvious, which sounds like you already checked. To answer your question whether or not it's worth it to replace the circuit board or not, it's definitely worth it. When you're ready to start taking apart the head, bypass the circuitry and just give the motor juice, if it works then it's the circuit board. I swapped one out a couple years ago (bad relay) on a 12V and it cost ~$90 and super simple to swap out, couple screws is all. Just don't forget where all the wires were plugged in. I assume yours is worth ~$1,000 new.... |
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Posts: 158
Location: Burlington, WI | If the curcuit board is bad, and only cost $90, that would be much better than buying a new motor. Buying a replacement would cost $700. I have another question for you guys. What guage wire do you run from your batteries to your motor? I'm guessing the wire in my boat is 6 guage. Its pretty heavy duty compared to the wire that is attached to the plugs and the motor. This is the orginal wire that was in the boat, and was used for my previous motor. Which was a 12/24 volts system. Is this the normal size wire? Is it too much?
Thanks for your replies. I'm hoping to have this figured out by the end of the week.
Greg |
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