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Fuel Gauge Question

Discussion in 'The Hokey Ass Message Board' started by haroldd1963, Jul 8, 2009.

  1. haroldd1963
    Joined: Oct 15, 2007
    Posts: 1,154

    haroldd1963
    Member
    from Peru, IL

    I have a fuel gauge question. My father bulit our 1931 Ford roadster in the 50's. He installed a fuel gauge out of a mid 50's Chrysler product but never hooked it up. We are trying to get the fuel gauge operating properly. When we hook it up to the sending unit it pegs the gauge past full. I know we need to put a resistor in the circuit to drop the voltage, but, it's been a long time since I took any type of electrical theory classes! I'm thinking some sort of adjustable rehostat or dashpot might work. Any help would be appreciated! Thanks, Harold
     
  2. haroldd1963
    Joined: Oct 15, 2007
    Posts: 1,154

    haroldd1963
    Member
    from Peru, IL

  3. squirrel
    Joined: Sep 23, 2004
    Posts: 50,297

    squirrel
    Member

    You already got your answer....there's no easy magic solution to your problem.
     
  4. JohnEvans
    Joined: Apr 13, 2008
    Posts: 4,883

    JohnEvans
    Member
    from Phoenix AZ

    Get a variable resistor that goes from 0 to 200-300 Ohms. Hook the gauge up to a 6 volt source then to resistor to ground. Also to be aware of the gauge case may need to be grounded to power source ground.
     

  5. haroldd1963
    Joined: Oct 15, 2007
    Posts: 1,154

    haroldd1963
    Member
    from Peru, IL

    Where would I get a variable resistor? I went to our local Radio Shack and they didn't know what the heck it is!
     

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