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What relay/fuse responsible for fuel pump?

Discussion in '1st Gen. Tacomas (1995-2004)' started by Big John SFV, Feb 17, 2025.

  1. Feb 17, 2025 at 4:01 PM
    #1
    Big John SFV

    Big John SFV [OP] New Member

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    Don't have a fuse box diagram for inside or underhood. I need to know which relay/fuse is designated for the fuel pump in a 96 Tacoma. I don't hear it come on in the tank when I turn ignition to start truck. Wiring diagrams Also desperately needed to fix previous owner's poor mechanic choice. THANKS!
     
  2. Feb 17, 2025 at 4:06 PM
    #2
    TnShooter

    TnShooter The TacomaWorld Stray

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    It won’t come on until the engine is cranking.
    The ECM will not turn it on until it sees a crank signal.
     
  3. Feb 17, 2025 at 5:30 PM
    #3
    O'Silver_Taco

    O'Silver_Taco Well-Known Member

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    Actually its supposed to briefly run when key is in crank position

    after that the crank sensor, ecm, and open circuit relay keeps the pump running

    so there's like efi relay, fuse or two, and that open relay that can impede that cycle
     

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