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  • Battery maintenance

    Don't know if any of you are interested in doing this, however?

    I got tired of removing my stuff from the trunk and then having to remove the base/trunk cover to attach the battery maintainer/charger. So, I ran an electrical wire from the positive terminal so that it sticks out several inches once you replace the base/trunk cover. Now I just plug in the plus/positive wire from the maintainer to this wire and attach the negative/ground wire, via alligator clip, to the right chromed exhaust pipe. Works great.

    Word of caution: The threads of the positive terminal bolt must be slightly off because it is somewhat difficult to remove the small nut that holds the main positive battery terminal on to the battery. What I wanted to do (and which I eventually did once I figured it out) was avoid removing this nut and just attach my wire via an eye hook which I crimped on to the wire, to the remaining exposed bolt with another nut. Just couldn't find a nut that would screw on without giving me that feeling I was cross threading something. Once I discovered that Ford had apparently made the threads slightly off so that the original equip. nut mentioned above would not come loose on its own yada, yada. However, make sure you do get a nut that is correctly threaded for that bolt.

    The maintainer I'm using is one that I purchased from Harbor Freight for less than $10.00 on sale. Also had to cut the red positive wire about six inches or so back to remove the alligator clip. Then attached a female elect. connector to the end of the red wire coming from the maintainer and a male elect. connector to the end of the wire of the alligator clip so that I can still join the two wires together for use on other applications. You obviously need to have a male connector on the end of the wire coming from the positive battery terminal. Also used an extra female connector, the end of which I plugged with goop for extra protection, to plug into the male connector sticking out from the base my trunk when not attached to the maintainer. All connectors are the type that have a plastic boot over the actual metal contact which prevents any accidental grounding of the positive wire.

    If anyone chooses to do this, I would suggest putting some heat shrink tubing on the wire where it comes out from the trunks removable base just for some extra protection. I didn't think to do this until I had my connectors crimped on so I had to wrap that part of the wire with some elect. tape just to make sure the already coated wire was well protected. Be sure to use good quality electrical wire. I used a piece of lamp chord wire that had had a better plastic/rubber cover on it than the automotive wire I was considering using and it appeared to be of heavier gauge. I would say the gauge of the wire used should be at least as heavy as the wire coming from the maintainer just to be on the safe side.

    You are also going to have to find a way to turn off the damn trunk light during the charging process. I use a dowel that presses on the switch when the trunk is lowered onto the dowel. However, I think the light might turn off on its own after several minutes if the trunk is left in the up position.

    Hope this make someones life a little easier when I comes to maintaining their battery.

    Santini

  • #2
    Re: Battery maintenance

    Note on those cheapie Harbor Freight float chargers. I have actually charged a dead battery with one of those and started the car. I just left it on about 48 hours and varoom. You could consider letting it just go dead?

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    • #3
      Re: Battery maintenance

      The $59.00 battery maintainers come with both type hook ups. The alligator clips and the plug to plug that can be lefthoked to both terminals, in the trunk. That way you just plug in and turn on.BTW, my trunk light goes out after 15 minutes. Check it out Phil, I don't think you have to use that dowel affair.
      Last edited by MATBird; Dec 4, 2008, 07:17 AM.

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      • #4
        Re: Battery maintenance

        George,

        That's what I use to hook up my battery (plug-to-plug which is permanently attached to the battery terminals and is always present in the trunk ready to connect the charger with). When the charger isn't connected via the plug, there is a plastic cap on the plug terminal in the trunk that covers the exposed lead.

        My battery is always connected to the float charger when the car is in the garage.

        Mike
        Last edited by MikeB; Dec 4, 2008, 07:25 AM.
        2002 Ford Thunderbird Premium Torch Red partial interior (sold June 2013)
        2015 Acura MDX SH-AWD Entertainment & Technology Pkgs Graphite Luster Grey Metallic
        2023 Toyota RAV4 Prime XSE Plug-In Hybrid (PHEV) Wind Chill Pearl White Tri-Color/Black

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        • #5
          Re: Battery maintenance

          You lads are all one step ahead of me. Harbor Freight sells both the maintainers (will actually charge your battery over time) and the float chargers which will charge your battery over a long long time. It really doesn't put much out in the way of amps. I do use the float charger on my motorcycle battery and the maintainer on my car batteries.
          Santini

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          • #6
            Re: Battery maintenance

            Regarding adding a battery charger to your battery, by installing wires, clips, insulation, etc., etc., to the two battery posts, you should just check out a small, but mighty, little item called the "Battery Tender" (product name) battery charger. It is a charger that charges the battery only when needed, then shuts itself off automatically, after the battery is up to charge. The best feature of this charger, is that it comes included in the box, a pre-made connection to hook up to the two battery posts, with a circular end connector on the two cables, one for each battery post. It is about 15" inches or so long, which is enough to attach to the battery, and still be able to reach through into the trunk compartment. These two connections simply bolt onto the existing posts - remove the nuts from each post, slide the connector onto the post then put the nuts back on - WALLA! - you're done. The opposite end of this connector has a male/female connection for plugging into the electrical line on the charger. Simple, easy, and quick, and a great little charger. I have five of them on everything I own, i.e., my pick-up (F-150) my other car, my Harley motorcycle, my riding mower, and a small brush-hog tractor, and last but not least the T-Bird.

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            • #7
              Re: Battery maintenance

              Donn: That's what I was trying to say in post #3, above. I have always used the Battery Tender.

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              • #8
                Re: Battery maintenance

                Originally posted by bottomtime View Post
                Regarding adding a battery charger to your battery, by installing wires, clips, insulation, etc., etc., to the two battery posts, you should just check out a small, but mighty, little item called the "Battery Tender" (product name) battery charger. It is a charger that charges the battery only when needed, then shuts itself off automatically, after the battery is up to charge. The best feature of this charger, is that it comes included in the box, a pre-made connection to hook up to the two battery posts, with a circular end connector on the two cables, one for each battery post. It is about 15" inches or so long, which is enough to attach to the battery, and still be able to reach through into the trunk compartment. These two connections simply bolt onto the existing posts - remove the nuts from each post, slide the connector onto the post then put the nuts back on - WALLA! - you're done. The opposite end of this connector has a male/female connection for plugging into the electrical line on the charger. Simple, easy, and quick, and a great little charger. and last but not least the T-Bird.
                This is exactly what I have and what I use and referred to in my post above.
                2002 Ford Thunderbird Premium Torch Red partial interior (sold June 2013)
                2015 Acura MDX SH-AWD Entertainment & Technology Pkgs Graphite Luster Grey Metallic
                2023 Toyota RAV4 Prime XSE Plug-In Hybrid (PHEV) Wind Chill Pearl White Tri-Color/Black

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                • #9
                  Re: Battery maintenance

                  Originally posted by MikeB View Post
                  This is exactly what I have and what I use and referred to in my post above.

                  SORRY ABOUT THAT - I MUST HAVE MIS-READ YOUR POST......
                  DONN (BOTTOMTIME)

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                  • #10
                    Re: Battery maintenance

                    Originally posted by MATBird View Post
                    Donn: That's what I was trying to say in post #3, above. I have always used the Battery Tender.
                    Why didn't you use the name BATTERY TENDER-Plus when you posted the first time?
                    Last edited by Latebird; Dec 5, 2008, 08:02 PM.
                    1997 Mercury Grand Marquis LS
                    2003 Mercury Marauder S/C
                    2004 Ford Thunderbird
                    2010 Lincoln Town Car Signature Limited

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                    • #11
                      Re: Battery maintenance

                      Hi all! Yes, bought the Battery Tender Plus, a couple of months back, and just hooked it up today. Used the attachment that bolts on to the battery posts. It has two LED's: a red and a green. The red solid one went on at first, indicating fallen voltage, and when up to par, the solid green will turn on, then then the BT will be on standby. Well, so far so good. It's a great little unit. Also bought the 25' extension and the little carrying case.

                      --Lindy

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                      • #12
                        Re: Battery maintenance

                        Similar to Battery Tender Plus, I purchased a product called "ACI" , an advanced constant current charger. Also very easy to install, light starts off yellowish orange, and goes to green when a full charge is achieved. Then it is worry-free for those long, nasty winter months while the Bird hibernates. I also decided to purchase a Maxi-Life Pulse unit which permanently affixes to your battery terminals in order to control any sulfate accumulation in the battery. So if your battery is 3 years or newer, this is a worthwhile purchase to extend the life of your battery investment.

                        On a separate note, does anyone use an ODYSSEY battery in their Bird? I have been researching this on the web, and it claims that it does not require a venting tube for trunk mounted batteries due to its sealed design. I know these batteries would be more expensive (maybe not in comparison to buying right from Ford?), but the company claims that its life expectancy can be up to 10 years if properly maintained/stored. I called my local battery expert and he supported this claim. So, anyone out there with views? I am still concerned about the venting claim.

                        Cheers....Mark

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                        • #13
                          Re: Battery maintenance

                          as a (thankfully) a former Allante owner, I can attest to the "Optima" battery sold by COSTCO and others as a great non vented replacement battery. Hot rodders now use these in show cars instead of Diehards (remember those) for looks. OK and for performance too. If you just drive the cars you can stop worrying about dead batterys, oh sorry, I forget it does rain etc.. in other parts of the world. thanks in advance for saving a few Thunderbirds for us who are wearing them out just as fast as we can.
                          Jon in South California.

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                          • #14
                            Re: Battery maintenance

                            Originally posted by justjon View Post
                            If you just drive the cars you can stop worrying about dead batterys,
                            Right on, Jon. After 7 years and 44,000 miles the battery in my Bird is still going strong and it has never been near a battery charger.
                            Sam

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                            • #15
                              Re: Battery maintenance

                              Right on, Jon. After 7 years and 44,000 miles the battery in my Bird is still going strong and it has never been near a battery charger.



                              Yep! I agree. If you take the garage queens out and drive then there is no worries. Just like so many other things in life...... If you don't use it you lose it!
                              Mike

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