gs1100g keeps blowing main fuse

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  • daturat100r
    #16
    my gs started blowing main fuses 300km after doing valve clearances but only at a certain rpm.Turned out to be the feed wire to the horn was making intermittent contact with the frame when vibrating at certain rpms.was bloody frustrating to find the fault and was cured by simply rotating horn in its rubber mount.not saying its what your problem is but look at all accessories as well as they are fed power all the time and the switch closes the return loop from the accessory

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      • rustybronco
        Forum LongTimer
        Bard Award Winner
        GSResource Superstar
        Past Site Supporter
        • Jul 2005
        • 14961
        • Marysville, Michigan
        #17
        Originally posted by Fester
        What size Honda unit would you recommend ???
        Take your pick. http://www.thegsresources.com/_forum...d.php?t=134690
        De-stinking Penelope http://thegsresources.com/_forum/sho...d.php?t=179245

        http://www.thegsresources.com/_forum...35#post1625535

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          • argonsagas
            Forum LongTimer
            Charter Member
            GSResource Superstar
            Past Site Supporter
            • May 2002
            • 18761
            • Toronto, Canada
            #18
            Originally posted by rustybronco
            Take your pick. http://www.thegsresources.com/_forum...d.php?t=134690

            Thanks, Dale. You got it done before I saw his query.

            I have used the early 1980's 400/450 series of Hondas as source. They are easy to find, not expensive, and usually in good condition.
            ​

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              • Redman
                Forum LongTimer
                Past Site Supporter
                • Mar 2004
                • 13718
                • Michigan, west Michigan
                #19
                Originally posted by daturat100r
                my gs started blowing main fuses 300km after doing valve clearances but only at a certain rpm.Turned out to be the feed wire to the horn was making intermittent contact with the frame.....
                Fester's (Original Posters) bike will have MAIN fuse and fuses for HEAD, IGNITion and SIGNAL. A short to ground in his bikes horn circuit should blow his SIGNAL fuse (but could possibly blow the main depending on some circumstances). His problem is the blowing the MAIN fuse.

                Perhaps your bike is one of the 78 or 79 750s that has only one fuse.


                .
                http://webpages.charter.net/ddvrnr/GS850_1100_Emblems.jpg
                Had 850G for 14 years. Now have GK since 2005.
                GK at IndyMotoGP Suzuki Display... ... GK on GSResources Page ... ... Euro Trash Ego Machine .. ..3 mo'cykls.... update 2 mocykl


                https://imgur.com/YTMtgq4

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                  • Fester
                    #20
                    Thanks guys we think we've nailed it find out next week

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                      • bobgroger
                        Forum Sage
                        Past Site Supporter
                        • Jun 2013
                        • 2481
                        • Enumclaw, WA
                        #21
                        My GS850 would intermittently blow the main fuse when revved. After a period of time it would also blow the blinker\brake and headlight fuse. Turned out the charging voltage was over 16 volts. I got a new regulator but it is on my winter project list so I am not 100% sure that is the fix...
                        sigpic
                        09 Kaw C14 Rocket powered Barcalounger
                        1983 GS1100e
                        82\83 1100e Frankenbike
                        1980 GS1260
                        Previous 65 Suzuki 80 Scrambler, 76 KZ900, 02 GSF1200S, 81 GS1100e, 80 GS850G

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                          • tkent02
                            Forum LongTimer
                            Past Site Supporter
                            • Jan 2006
                            • 35571
                            • Near South Park
                            #22
                            Have you gone through the tests in The Stator Papers?
                            http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                            Life is too short to ride an L.

                              Comment

                              • koolaid_kid
                                #23
                                Originally posted by bobgroger
                                My GS850 would intermittently blow the main fuse when revved. After a period of time it would also blow the blinker\brake and headlight fuse. Turned out the charging voltage was over 16 volts. I got a new regulator but it is on my winter project list so I am not 100% sure that is the fix...
                                This is a very clear indication that the Regulator part of your Regulator/Rectifier is not functioning. The Regulator's sole function is to keep from over-voltage. It is its only function. It is not working on yours and needs to be replaced prior to any other work, including the Stator Papers.

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