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1980 suzuki gs1000st wes cooley

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    1980 suzuki gs1000st wes cooley

    hi all,

    six months ago, i had the fuel tank repaired and i replaced the sensor at the same time..
    i made sure the new sensor worked and closed shop....

    the other day the fuel gauge which was working, stopped working...

    i took of the tank and noted two wires to the sensor, a black and a yellow wire.

    assuming the yellow wire is supposed to be live i put a tester on it and found no light coming on
    the tester pen, whilst also earthing...

    question: is this yellow wire supposed to come alive at the turn of the ignition key...?

    #2
    Yes, it should, but it won't be 12 volts. I believe there is a regulator in the circuit (7 volts?) and the meter is also in the circuit.

    If you earth the yellow wire, the scale should go to full deflection.

    .
    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
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      #3
      jump the two wires off the main harness and turn on the key to see if the gauge rises or not. If it does the problem is with the in tank sender unit. See rebuild link below.


      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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        #4
        many thanks guys...all fixed

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