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  1. M

    fuel guage bouncing

    I was looking around under the dash yesterday and found a metal box under the dash about 4" by 4" big and thats whats clicking. The guage jumps with the clicks. Its 2 quick clicks, the first click jumps all the way past full and the second it jumps back past empty then sits there. What is that...
  2. M

    fuel guage bouncing

    The proving grounds is in milford michigan, hes been there for about 22 years so I trust that he knows what hes doing. I will test the purple wire first and see what happens. I did notice that when I turn the key to the on position there is a clicking sound kinda like a relay and that is when it...
  3. M

    fuel guage bouncing

    My phone wont let me upload the video. Is there an email i can try sending it to? Like I said I turn the key to the on position it jumps past the full line then drops to empty and sits there. Sometimes as Im driving it will jump to full and a few min latter it will drop back to empty.
  4. M

    fuel guage bouncing

    I have a 98 yukon I got it about a month ago and the fuel guage isnt working. When I turn the key on the guage jumps to full then back to empty. As im driving it will bounce back and forth. Yesterday I put a brand new pump and sending unit in and fixed the wires properly. My brother is a tech at...

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