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Gas Gauge Fluttering?

Discussion in 'The Garage' started by broncoman6524, Nov 11, 2005.

  1. broncoman6524

    broncoman6524 1/2 ton status

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    Hey

    yes i know a mechanical fuel gauge WILL float. but mine when i accelerate hard or soft drops and when i turn on my headlights it drops a 1/4 of a tank :eek1: :mad: Could my fuel sending unit be bad? if so do you guys know where you can buy/find one. BTW i have an 84.

    Also how do i find out what size tank i have? i thought i had a 33gal but when i filled it last(gauge read "E") i could only put about 20 gals in it?

    thanks alot!
     
  2. BIG*RED

    BIG*RED 1/2 ton status

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    sounds like you need to check your grounds first

    oh and they didn't have 33gal tanks 31gal is the big one :D
     
  3. broncoman6524

    broncoman6524 1/2 ton status

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    what do you mean by "check my grounds"? do you mean to follow the wires and check for crossed ones or frayed ones?
     
  4. BIG*RED

    BIG*RED 1/2 ton status

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    there was a time when i turned on my headlights and my gas guage would instantly drop. and after some searching i found that the ground wire from the insturment cluster was not fully connected. After re grounding it. i have never had a problem.

    so thats a place to start..
     

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