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  1. T

    1979 EFI conversion-dual fuel pump wiring

    Gmachinz, I think you would know the answer to my switch question as well.
  2. T

    1979 EFI conversion-dual fuel pump wiring

    Kasey, On the 4 pin dash switch does it matter which lead gets the positive and which lead gets the ground?
  3. T

    1979 EFI conversion-dual fuel pump wiring

    C10, that diagram helps lots! Thanks!
  4. T

    1979 EFI conversion-dual fuel pump wiring

    I bought AC Delco part number U7001. it's rated for 65psi.
  5. T

    1979 EFI conversion-dual fuel pump wiring

    I have a 1979 K25 and we are about to do an FiTech unit on it. I’ve purchased 87 gas tanks, 87 sending units, aeromotive in tank pumps, the 87 switching valve with its pigtail harness and the 87 switch for the dash. What relay do I use to wire the pumps so they turn on and off when each tank is...

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