dual tanks

  1. N

    Fuel Sending Unit Odd ohm Reading

    Has anyone come across a fuel sending ohm reading issue where it reads within range with the key off and resistance goes way up (triples from ~90 ohms, which is full, to over 200ohms which is out of range). We swapped in a 6.0 into our 1-ton dually with dual tanks…has been a pain to get both...
  2. T

    1978 C20 body to 1985 K10 frame wiring issue.

    I have a 1978 C20 that I had a body shop swap onto a K10 Frame. I ran into a couple of smaller issues but one i cannot figure out. The body shop cut the wiring for the dual tank switch and I cannot figure out where I am going wrong. I have put in two new sending units and they are grounded...
  3. F

    Dual Tanks with electric fuel pump

    Does anyone have factory dual tanks with an electric fuel pump setup? In my 86 K10 the previous owner swapped a later model 305 into it that doesn't have the cut-out to use a mechanical fuel pump so I have to go electric. Currently, it has an electric pump but I put an inline gauge at the...

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