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  1. M

    Fuel Gauge Pegged Past Full - HELP!

    Wow that is a lot of knowledge. We have dropped the fuel tank and are in the process of replacing the sending unit itself. If this does not fix the problem, I will try what you said. So can you explain in detail which wires I need to run? I am a bit slow when it comes to this stuff LOL!
  2. M

    Fuel Gauge Pegged Past Full - HELP!

    So the only possibility now is a bad ground (which I have cleaned and re attached) or the sending unit itself.
  3. M

    Fuel Gauge Pegged Past Full - HELP!

    I just grounded the pink wire to the frame. Gauge moves to empty. What does this mean? What should I do next?
  4. M

    Fuel Gauge Pegged Past Full - HELP!

    So cut that pink wire and ground to frame to test? Sorry I'm an idiot lol
  5. M

    Fuel Gauge Pegged Past Full - HELP!

    Pink wire comes down from the pump, (then they have spliced in a different color). Then leads to the front of the truck up into the cab. Ground wire comes down from top of pump and grounds on frame close by.
  6. M

    Fuel Gauge Pegged Past Full - HELP!

    Should I take the ground off and splice the two together with the ground off, or leave the ground on the frame and splice the two together?
  7. M

    Fuel Gauge Pegged Past Full - HELP!

    Removed and cleaned ground connection, no dice. Still same problem. Tried jumping the two pink wires for the two sending units (video I saw where a guy did that)... no dice. Same problem. So I am stumped. I don't quite know what you mean with measuring the resistance and whatnot
  8. M

    Fuel Gauge Pegged Past Full - HELP!

    Which grounds should I be checking? And where are they?
  9. M

    Fuel Gauge Pegged Past Full - HELP!

    Selector switch and valve are still on the truck. I see a ground coming down from the pump and onto the frame. Wasn't able to get it off as the bolts were seized in place.
  10. M

    Fuel Gauge Pegged Past Full - HELP!

    I am very stressed and annoyed, so bare with me here. I purchased my "new to me" 1980 2500 square body 4x4 a few days ago. One of its MANY issues is the fuel gauge which is always pegged way past full. It is a problem that needs to be addressed immediately. I have tried and tried to figure out...

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