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gs 550l black & decker 18 volt battery to get me home

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    gs 550l black & decker 18 volt battery to get me home

    I was cruising the freeway, 1 am. the engine stops running, I exit and the battery is dead. I have to call and get help. I set up a 18 volt back up battery in my windjammer and wired it in. currently, i have to slide the battery into the holder to make the connection active. Electricity is not my area of expertise so I seek advise in this matter. will it work? i only want to use it in a pinch. anything is better than making tjhe dreaded call home at 1 am

    #2
    If you have a points ignition anything from a 9v transistor radio battery will work, six volt dry cells, any car battery, up to probably any size truck battery you can carry. Disconnect the charging system so it doesn't screw up.

    If you have electronic ignition don't screw around, you will fry expensive parts.
    http://img.photobucket.com/albums/v5...tatesMap-1.jpg

    Life is too short to ride an L.

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      #3
      At 18 volts you're likely to fry things even with a points ignition.

      Fix your electrical system and you wont be having to make any calls.
      http://img633.imageshack.us/img633/811/douMvs.jpg
      1980 GS1000GT (Daily rider with a 1983 1100G engine)
      1998 Honda ST1100 (Daily long distance rider)
      1982 GS850GLZ (Daily rider when the weather is crap)

      Darn, with so many daily riders it's hard to decide which one to jump on next.;)

      JTGS850GL aka Julius

      GS Resource Greetings

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        #4
        If you had a 14 volt battery, it would work a lot better.

        Your voltage regulator is going to try to regulate your 18 volts down to about 14 by shorting it out, so it's not going to last very long. If you start with a 14 volt battery pack it would do better, but JT is right, ... fix/maintain your charging system, you won't need anything for a backup.

        .
        sigpic
        mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
        hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
        #1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
        #2 son: 1980 GS1000G
        Family Portrait
        Siblings and Spouses
        Mom's first ride
        Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
        (Click on my username in the upper-left corner for e-mail info.)

        Comment


          #5
          Originally posted by JTGS850GL View Post
          At 18 volts you're likely to fry things even with a points ignition.

          Fix your electrical system and you wont be having to make any calls.
          I ordered the Polars rectifier for this bike, its an 86 with electronic ignition. I see 16 volts often and sometimes no charging at all. so I will keep the drill battery on standby. I wonder if anyone has tried this before and how well does it work. I am planning a trip to Kansas, 1000 miles and I want back up at least to get me to the next town if need be. All comments are greatly appreciated because I dont know much about electronics, I just know I hate to be stuck.

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            #6
            As you are installing the Polaris R/R, verify your stator outputs and your ground connections. You should not be seeing over about 14.4 volts, if you want the system to stay together.

            Seeing 16 volts with your current system will boil the water out of the battery (if it's a stock wet-cell battery) and that is what will leave you stranded. Get a new AGM (that is a construction style, not a brand) battery, install it along with your new R/R, skip the drill battery.

            .
            sigpic
            mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
            hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
            #1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
            #2 son: 1980 GS1000G
            Family Portrait
            Siblings and Spouses
            Mom's first ride
            Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
            (Click on my username in the upper-left corner for e-mail info.)

            Comment


              #7
              If you have a bit of cash to play with and you would still like a backup after fixing your problems may I suggest a lithium Iron Phosphate motorcycle battery.
              There are a few brands out there and the weight and size is unbeatable.
              I cannot remember what the name of the thread was where it was discussed but a few members had tried different brands and were very pleased with the results.
              One brand stood out if I remember correctly but I do not recall the brand.

              To give you a idea of what I am referring too this is the brand I saw when first made aware of them.
              Be sure to check out the weight and size specs on these.
              Really cool.

              Comment


                #8
                astonishing the lengths people will go to to avoid fixing what is actually wrong.
                1983 GS 1100 ESD :D

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                  #9
                  I'm quite tickled by the idea of a DeWalt charging point wired into the bike's electrical backbone, for emergency use only.
                  ---- Dave

                  Only a dog knows why a motorcyclist sticks his head out of a car window

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                    #10
                    I'm keeping my black & decker battery on standby. BTW, I fixed the bike charging system by installing a R/R from a 79 gs 750. I'm ready for a road trip to give it the smoke test. The problem is not the lengths people will go to to avoid fixing what is actually wrong., but the crappy way the 86 gs 550 electrical was made in the first place. Why replace what doesn't work with expensive parts that won't work? The original R/R on the 86 gs550 was crap from day 1 according to the this site. and sure enough it failed on my bike too. The nice thing about this site is we get to share ideas and build true road worthy machines.

                    Here is my theory on the 18 volt drill battery. I leave my drill in the box for months and it holds a charge, Starting at 18 volts, in an emergency the volts will deminish as I go and hopefully it get me and my bike to a place with food, water and a bunk. I am trying to build a cross country bike and I will enjoy the trip even more if KNOW I have back up if the charging system fails.
                    Last edited by Guest; 10-02-2015, 02:08 PM.

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                      #11
                      If I were wiring in an emergency battery pack point, I'd use a 14.4V one, just to be on the safe side. Your fully-charged 18V one will be higher than that, bear in mind, and any electronics on your bike won't like that too much.
                      ---- Dave

                      Only a dog knows why a motorcyclist sticks his head out of a car window

                      Comment


                        #12
                        I like that, I think I will switch to 14.4 volts, I just made a 800 mile round trip to LA. Nice to know I have back up. Makes the trip much more relaxing. Oh cruising between the cars on the freeway. Wow, that's crazy. I even got passed by another bike between the cars. My next add on will be a back up ignition for the 86 gs 550. I have the Cavalier coils and the HEI ignition thingy's, Just need a heat sink, wiring and a lot of luck. Has anyone done one of these HEI set ups?
                        Attached Files
                        Last edited by Guest; 10-05-2015, 02:57 PM.

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                          #13
                          Any plans to get hard core extreme and tow a backup vehicle in case this bike breaks down?

                          Comment


                            #14
                            I am backing up just the electrical.
                            Last edited by Guest; 10-06-2015, 10:54 PM.

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                              #15
                              Originally posted by seanarthurmachado View Post
                              Any plans to get hard core extreme and tow a backup vehicle in case this bike breaks down?
                              Yea right. I am just trying to have a lil fun here. When I put a 30 year old bike on the road with known electrical problems. yea, I'm looking for good ideas here. GPZheiModBenchTest.jpg

                              Dyna S alternative - GM HEI on a former points ign. bike?



                              If the igniter goes out on a 86 GS 550L 1000 miles from home and you have no back up unit. That could be a problem, but that is not how I roll.
                              Last edited by Guest; 10-07-2015, 01:09 AM.

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