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fuel pump wiring

Discussion in 'The Hokey Ass Message Board' started by jtbloye, Aug 3, 2009.

  1. jtbloye
    Joined: Mar 4, 2009
    Posts: 30


    hi i would like to know if anyone can help. I have a 87 chev drive train in my 48 chev. I need to know what wire is the power wire for the fuel pump it has one red and one brown wire with white stripes and a groung i need to know what wire hooks up to power
  2. RodStRace
    Joined: Dec 7, 2007
    Posts: 2,557


    You should have the wiring diagram for the donor vehicle to be sure.
    It would help if you had mentioned what model and engine too.
    I looked for 1987 Chevy wiring diagrams online, and the info was poor.
    Most showed a Black wire for the ground (very common GM color for ground).
    Red is commonly Power.
    Brown with a White stripe may be switched relay power.
    Fuel pumps should run through a relay due to the high amperage draw.
    Here is one I found.

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