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Thread: Replacing Battery Cables

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    Member Rob B's Avatar
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    Default Replacing Battery Cables

    So, I need to replace my battery cables for both motors. I'm talking about the cables that go from the batteries to motors. They are about 8 feet long and I'm guessing 4ga wire. Where is a good place to have these made up? Frigid North or is there a better place online?

    Rob
    27' Wooldridge Super Sport Offshore Pilothouse PRIME TIME!
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    Member JR2's Avatar
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    Never been there but Polar Wire has made some stuff for some friends and done nice work. Take the old ones to them and they can make new ones.
    2007 Kingfisher 2825 - Stor Fisk

    Civilization ends at the waterline. Beyond that, we all enter the food chain, and not always right at the top. -- Hunter S. Thompson

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    Member akdeweyj's Avatar
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    Quote Originally Posted by Rob B View Post
    So, I need to replace my battery cables for both motors. I'm talking about the cables that go from the batteries to motors. They are about 8 feet long and I'm guessing 4ga wire. Where is a good place to have these made up? Frigid North or is there a better place online?

    Rob
    Rob

    I used Polar Wire Ultraflex on all my cables & its great stuff. Look at their website: http://www.polarwire.com/
    2007 24ft NorthRiver OS
    Twin 175 Suzuki's
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    Member Rob B's Avatar
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    Thanks for the info guys. Prices look decent too compared to an online site I found. Guess I'll tie some 550 cord to mine and pull them out so they can duplicate them.
    27' Wooldridge Super Sport Offshore Pilothouse PRIME TIME!
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    Member GolfNut's Avatar
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    I agree with the others, go see Justin at Polar Wire. He has done electrical work on my boat and does great work.

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    Member akdeweyj's Avatar
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    I think Justin moved south & is not there anymore. Bummer cuz he was good with electronics troubleshooting..
    2007 24ft NorthRiver OS
    Twin 175 Suzuki's
    "Thunderbird"
    MMSI #338033856

  7. #7

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    I would also give the nod to Polar...they have the best cable and components in town.


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    Member Rob B's Avatar
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    It's all done. Polar Wire was great to work with. They had everything I needed at a really good price. New Blue Seas battery switch, two new buss bars, two new main battery terminals and all new 4 ga main wiring. It took me a lot longer than expected to get it all wired back up, but I took my time and cut all the existing accessory wires and crimped and soldered new ends. Heat shrinked everything and ran it all to the two new bus bars. Finished it off with new labels on all the hot wires so I don't have to chase fuses anymore. I even wired in a third battery for those long trips on the sound.
    27' Wooldridge Super Sport Offshore Pilothouse PRIME TIME!
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    Member akdeweyj's Avatar
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    Congrats Rob - what did you use for labels on your wiring? I'm almost finished with my last electrical project of replacing the original Hewes dash panel with a new prewired, precut panel with contura switches. I'll post a pic in the next couple of days.
    2007 24ft NorthRiver OS
    Twin 175 Suzuki's
    "Thunderbird"
    MMSI #338033856

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    Member Rob B's Avatar
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    The wife brought home a regular office label maker from work. It prints out little half inch stickers. I'll see after a while how they hold up. I'm looking forward to seeing how your new dash panel turns out.
    27' Wooldridge Super Sport Offshore Pilothouse PRIME TIME!
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    Member akdeweyj's Avatar
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    Quote Originally Posted by akdeweyj View Post
    Congrats Rob - what did you use for labels on your wiring? I'm almost finished with my last electrical project of replacing the original Hewes dash panel with a new prewired, precut panel with contura switches. I'll post a pic in the next couple of days.
    Attachment 78339 Attachment 78340

    Here are a couple of pics of my dash panel:
    2007 24ft NorthRiver OS
    Twin 175 Suzuki's
    "Thunderbird"
    MMSI #338033856

  12. #12
    Member Rob B's Avatar
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    It says bad pics
    27' Wooldridge Super Sport Offshore Pilothouse PRIME TIME!
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    Member akdeweyj's Avatar
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    Quote Originally Posted by Rob B View Post
    It says bad pics
    Attachment 78345Attachment 78346Attachment 78345Attachment 78346

    Hopefully this one works!
    2007 24ft NorthRiver OS
    Twin 175 Suzuki's
    "Thunderbird"
    MMSI #338033856

  14. #14
    Member Rob B's Avatar
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    That looks nice
    27' Wooldridge Super Sport Offshore Pilothouse PRIME TIME!
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    Member Bullelkklr's Avatar
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    what did you pay for the buss bars?

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    Member JR2's Avatar
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    I have to make a trip to Polar next next week, I am going to rip out the wiring for my pot puller and have them make me a new harness of better wire with better connectors and a quick connect so I can remove the davit when I don't need it. All my attempts at doing it myself have failed and my last trip last year I had to resort to some cutting/stripping of wire and wire nuts... it worked good, but not a permanent solution for sure.
    2007 Kingfisher 2825 - Stor Fisk

    Civilization ends at the waterline. Beyond that, we all enter the food chain, and not always right at the top. -- Hunter S. Thompson

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    If your wanting a permanent solution may I suggest.

    Most boats do not use the proper size wire when wiring a pot puller. They use the running current when calculating voltage drop not the stall current. They also connect the cables to the closes terminal strip, not taking into the account the total voltage drop from motor to battery.

    Under light loads a pot puller will not have any problems like getting hot or running slow. Under a heavy load not having the proper voltage and current across the motor could make it fail.

    If you wanting to DIY and do not know all the things you need to consider when building a cable system for a pot puller. I would talk to a boat builder that has years of experience in wiring boats per ABYC and have him design or give you advice as how it should be done.

    You may all ready have the proper size wire and all your wanting to do is to clean it up. If that the case but you want to make sure there are no problem like a bad connection do a load test at the stall current. IMO.

  18. #18
    Member Bullelkklr's Avatar
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    MacG - what do you use for your load bank?

    I don't think that sizing your cable needs to be overly complicated. f

    or example: I have a puller that is rated for "running" at 70 amps and I have a 70 amp fuse in the circuit. I have 21 foot total of cable from batt to blue sea switch to foot switch to puller motor.

    I will verify tonight, but I believe that I ran #2. I did not run the calcs (not that they are hard) but rather I used a chart like this http://www.bluesea.com/resources/1437

  19. #19
    Member Rob B's Avatar
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    I paid $18 a piece I believe.

    JR2, Have everything measured when ya go in there and the little blonde haired girl will fix you up on the spot. They sure did a great job. FWIW, my Edyne is wired up with 4 ga. and I haven't had any issues with running that about 6 feet.
    27' Wooldridge Super Sport Offshore Pilothouse PRIME TIME!
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  20. #20
    Member Rob B's Avatar
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    Here a poor photo of how I laid mine out
    27' Wooldridge Super Sport Offshore Pilothouse PRIME TIME!
    Kodiak Custom Fishing Tackle Pro Staff
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