dual tanks

  1. 8

    Dual Tank Wiring Harness Help Needed

    I have 1987 V10 and am having issues with the dual tanks...I know welcome to the club LOL. When I replaced the dual tank switch, the original wiring harness that plugs into the back of the acutal switch was crumbling. I replaced the switch as when i would switch the tanks, the entire truck...
  2. jmanjeeper

    Replacing Both Fuel Tanks on 1986 C10 Long Bed — Need Advice

    Hi everyone, I’m planning to replace both 16 gallon fuel tanks on my 1986 C10 long bed with 20-gallon tanks. The truck has a 383 engine. I’m trying to buy everything I need now while the Labor Day sales are running. Just have a few questions and would appreciate any advice: Is it possible to...
  3. 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...
  4. 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...
  5. 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...
    • Fiyamayne
    • Thread
    • dual tanks electric fuel pump fuel delivery fuel pressure fuel pressure dual tanks fuel pump fuel system
    • Replies: 18
    • Forum: Carb Fuel Systems

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