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Battery Terminal Stripped - Thoughts?

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  • Battery Terminal Stripped - Thoughts?

    I am winterizing my boat and am trying to remove the positive side of the battery cable but I am turning the wing nut (which is on there very tight) and the whole post is moving, thus not allowing the wing nut to screw off. Any thoughts on what to do next?
    Thanks for any help you can give me.
    -Bob

  • #2
    Re: Battery Terminal Stripped - Thoughts?

    #1 Get the NEG post disconnected.

    #2 Keep positive pressure on the nut as you turn it.
    You may need to wedge a screwdriver under the cable lugs to get it to un-thread as you turn it.

    #3 Whatever the results, be sure to keep all the posts well greased when it goes back together.
    Preventing corrosion isn't just for the cosmetics issue.
    Bill, Lorain Ohio

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    • #3
      Re: Battery Terminal Stripped - Thoughts?

      If the whole stud is spinning,she is shot. It mean's the stud disconnected from the innards of the battery.Wing nuts are not recomended by ABYC standards,but they come with them attached from the battery mfg. discard them,put ss nuts on them and don't over tighten. All that can happen with that battery from here,is it'll " maby" work,or cause a bad connection,no start-or cables getting overheated,melting the cables/battery terminals. Replace is the only option.
      Grub
      If ya can't fix it with a hammer,ya got yourself an electrical problem.

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      • #4
        Re: Battery Terminal Stripped - Thoughts?

        Use a pair of pliers to hold the top of the stud and loosen the wing nut. After the wing nut is high enough, switch the pliers to under the W/N. Don't worry about the stud being boogered up, since it's spinning you can't use it anymore. Hope you have a regular, clamp type + terminal on the battery.
        BOAT SPECS | FORUM HELP | STARCRAFT FORUM | SHOP iBoats
        Please, no PM's (Private Messages) regarding boat/engine problems.
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        • #5
          Re: Battery Terminal Stripped - Thoughts?

          Originally posted by GA_Boater View Post
          Use a pair of pliers to hold the top of the stud and loosen the wing nut. After the wing nut is high enough, switch the pliers to under the W/N. Don't worry about the stud being boogered up, since it's spinning you can't use it anymore. Hope you have a regular, clamp type + terminal on the battery.
          Well yes to that! Hope it has the dual terminals. Did not think of that when typing my post.
          Grub.
          If ya can't fix it with a hammer,ya got yourself an electrical problem.

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          • #6
            Re: Battery Terminal Stripped - Thoughts?

            One more use for the pliers/vice grips. Grab the top of the stud and wiggle it until it pulls out and won't have to even take the wing nut off. The stud is useless now anyway.
            BOAT SPECS | FORUM HELP | STARCRAFT FORUM | SHOP iBoats
            Please, no PM's (Private Messages) regarding boat/engine problems.
            That is what the forums are for.
            Only forum/moderator issues will be answered in PM's.

            Comment


            • #7
              Re: Battery Terminal Stripped - Thoughts?

              Depending on the routing of the + battery cable, it might be easiest to remove the engine side of the cable and pull the "battery and cable" out of the boat, so you can work with them on the bench.
              2001 Crestliner SuperHawk 1800, Mercruiser 140HP
              2007 Tracker 1436 jon boat, 7.5HP Force

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              • #8
                Re: Battery Terminal Stripped - Thoughts?

                uh..... STOP for now.... soak the stud and nut down with penetrating oil.... wait a day... use a LIGHT hammer to give each side of the wing nut a smack down toward the battery IE try to 'rock' it on the stud and break any corrosion holding it.... quite possibly after this it will spin right off.

                Since the head of the stud is encased in lead top and bottom it will still make contact with the battery after this when tightened down so it you don't mess up the threads you can likely get good use from the battery though I always recommend more than one battery bank for most boats and if it's GOING to be the only battery on board it should be the best it possibly can... IE not one with a questionable terminal....

                If you manage to save the batt and use it with this terminal be sure to apply dielectric grease heavily all around the terminal stud to prevent water from entering and causing corrosion and a bad electrical connection now that the stud is loose
                Last edited by smokeonthewater; October 13th, 2013, 05:06 PM.
                Kevin

                Originally posted by Tinnie
                But, where are the reevets?
                1981 Wellcraft V-20 CC Fisherman (FREE BOAT)
                1989 Wellcraft Monte Carlo 28(Build thread here)
                1992 Hotsports Jet'n'Cat Yam 701 WR3 drivetrain "SS George Washington"
                90's Yamaha WRIII and a pair of 95 Kawasaki ZXI-900's
                Fresh clean cheap oil is better then old dirty expensive oil any day
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                • #9
                  Re: Battery Terminal Stripped - Thoughts?

                  Depending on the age of your battery, you might get warranty replacement coverage. Once i had a spinning side post on a vehicle battery. Was covered under 3 year free replacement warranty that the battery had. Worth a shot at least...
                  1990 Stingray 536ZPX 4.3 Mercruiser - SOLD
                  2001 Glastron GX185 4.3 Mercruiser - SOLD
                  2012 Yamaha SX190 1.8L Jet Boat
                  Tow rig - 2013 Silverado 2500HD Duramax

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                  • #10
                    Re: Battery Terminal Stripped - Thoughts?

                    sounds like the stupid batteries in my Chevy with the internal post and just a small nut to attach to. They work loose inside and the battery is unservicable. A design defect designed to sell more batteries.
                    A man of constant boat tinkering.

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                    • #11
                      Re: Battery Terminal Stripped - Thoughts?

                      If you can, hacksaw the post off under the wingnut. You may have to remove the blade from the handle.... Works good.....

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                      • #12
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                        Re: Battery Terminal Stripped - Thoughts?

                        I suggest being very carefull when using any kind of force on those terminals. If the battery post, itself, moves under the force, it "could" short out the battery internals with some very undesirable results. Shorted batteries can be quite dangerous. The least of the problems would be breaking the seal between the post and the case, possibly causing a way for acid to leak out around the post.
                        '92 Chaparral 2550 SX Sport
                        454 BBC Mercruiser Bravo 1
                        Tow with '04 F150 Larriat SuperCab 4x4 5.4 Triton
                        US Coast Guard Aux.

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