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Help me find these wires....

Discussion in 'The Garage' started by SUBFAN, Jun 6, 2005.

  1. SUBFAN

    SUBFAN 1/2 ton status

    Joined:
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    Location:
    Davenport, Ia
    I need to find the power wire that activates the fuel pump....

    I also need to figure out how to wire in an HEI distributor, if it is different.

    I am swapping out the TBI motor for a carbed version. 1990 Suburban.

    All help is appreciated, and diagrams a bonus :grin:
     
  2. google

    google 1/2 ton status

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    Location:
    Arizona
    Why not just get a Chiltons for the vehicle year and model the motor you are getting came out of. Could save you a world of hurt and printer paper.
     
  3. fwdjunky

    fwdjunky 1/2 ton status

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    Location:
    Maricopa, AZ
    If I remember correctly the fuel pump is powered via a relay mounted on the passenger side of the firewall in the engine compartment. It will look like a black box about 3" high and maybe 1.5" wide. I don't think 'burbs ever had twin tanks, but if by some chance yours did there sill be a relay for each tank mounted side by side. Working from memory hear so if I'm wrong I appologize.
     

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