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Fuel sending unit

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by LittleJoe, Jan 2, 2007.

  1. LittleJoe

    LittleJoe Newbie

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    Eagan,MN
    The fuel gauge on my 1986 M1008 pickup reads very radically. I want to replace it but I don't know, Is there a difference between a sending unit for diesel and gasoline?
    :confused:
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    Have you verified it is actually the sender, and not the gauge or associated wiring?

    If you have not done so already, search for threads regarding fuel gauges and repair/testing.
     
  3. sweetk30

    sweetk30 professional hooker Premium Member

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    comon ground problems. wire at sender or wire at frame point problems. check them first.
     
  4. PerdidoK5

    PerdidoK5 1/2 ton status

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    A sender is a sender... Short the sender out, it should peg full. If it does, good sender. Then the search is on for a faulty connection or a bad wire.
     

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