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‘78 GS1000 Wiring issue

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    #1

    ‘78 GS1000 Wiring issue




    Hi everyone



    this bike has been an on and off project for the last couple of years. A 1978 GS1000 Skunk. I got it to the point where I thought I would enjoy it a bit but……not this weekend.


    I took it out for a short ride yesterday and the bike was running pretty good. I figured today I would dial in the carbs alittle better and had it running for about 5 mins and it started smoking. Shut everything off quickly and started pulling off the panels to find a burnt wiring harness. 2 of the fuses were also burnt. I touched the rectifier(photo) and it was piping hot.


    I let the bike cool down a bit and changed the fuses and it started fine but the rectifier unit seems to be getting hot. Is that normal? Could this of happened because the rectifier needs to be replaced?



    Thank you



    Carlos


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      #3
      Not normal. rectifier cooked your wires. change all that crap out for the SH775 mod. get rid of that 2 piece garbage. Nessism may have a unit for sale. And ask him for the wiring picture for it.
      MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
      1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

      NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


      I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

      Comment

        #4
        Hi Chuck

        whats the SH775 mod?

        Comment

          #5
          You trash the rectifier and regulator and run stator wires to the new unit, And two wires to the battery with a hot wire to the fuse box. Does away with the inferior stock junk and last forever. PM Nessism for aunit and the wiring diagram. better charging and less heat stress on the stator.
          MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
          1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

          NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


          I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

          Comment

            #6
            ​SH775 Installation for Dummies - The GSResources Forums

            Youll have 5 wires in the stock set up.​ Youll notice that there are two sets with the same color like mentioned in the thread. Just tape one of the doubles aside and use 3 wires going to the stator of 3 different colors. youll figure it oit.
            Attached Files
            Last edited by chuck hahn; Yesterday, 03:31 PM.
            MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
            1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

            NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


            I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.
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