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  1. #1
    we7313's Avatar
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    Broken Battery Lead

    Today we did some jumping in the ocean, battery came loose and broke that battery terminal.
    Any ideas how to fix this without a dealership visit?
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  2. #2
    Click avatar for tech links/info K447's Avatar
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    Well, one repair method is to install a replacement ring terminal end. That cable size is larger than the crimp on ring terminals you may find at a basic hardware store but they do exist.

    Any place that does marine electrical repairs and install should have the proper ring terminal and the crimp tool needed.

    Alternative is a car audio shop. They work with similar large cables for the bigger amplifiers and such.

    Whichever, be sure to apply some liquid electrical tape to the exposed metal/copper cable ends after attaching the new end. It should be sealed so moisture cannot wick into the stranded cable core over time.

    I have not looked online to see if the entire battery negative cable is a separate Yamaha part number. If yes, you can just replace the whole cable with new.

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  4. #3
    dannyual777's Avatar
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    K447 had some good information for you. The easiest may just be a completely new battery cable.

    Last summer, I broke a cable end in my 1994 WaveRaider as I was coming back to my dock. Just out of the blue it broke. I'm sure the lug was cracked and it just gave up the ghost when it did.




    This is a real easy fix for me since I have a large assortment of battery cable lugs and the tools to install them. I'm a complete DIYer and I do all of my own car/boat/jet ski/home repair work. I built all the battery cables to my 2001 Ford F250 Powerstroke diesel truck.



    I think this was a 6 gauge lug, tinned for corrosion resistance.

    I used my inexpensive (about $35 on Amazon) chinesium hydraulic crimper to crimp the lug onto the cable. Don't forget to slide the adhesive lined, heat shrink tubing on before crimping!

    Inexpensive heat gun to shrink the heat shrink tubing. Way better than trying to use a match or lighter!

    The finished product! Been working great every since.

    I already mentioned the F250. I've also built my own battery cables for my 20' Stingray bowrider boat. My project 1991 Fox body Mustang coupe will also get my custom made battery cables when the time comes.

    Anyway, I just thought I'd share. It might help someone.
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  6. #4
    Myself's Avatar
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    You can buy the terminal ends at the auto parts store. I just hold the end with pliers in front of a propane torch and melt solder into it. Then I dip the stripped wire end in and move it away from the heat. Cools down pretty quick and makes a solid connection with no special crimper needed.

  7. #5
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by Myself View Post
    You can buy the terminal ends at the auto parts store. I just hold the end with pliers in front of a propane torch and melt solder into it.

    Then I dip the stripped wire end in and move it away from the heat.

    Cools down pretty quick and makes a solid connection with no special crimper needed.
    Do you use any soldering flux on the stranded wire or the terminal cup?

  8. #6
    Myself's Avatar
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    Oops, sorry. Yes, I brush some flux on both.


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