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Fuel control pump module wiring issue.

Discussion in '2nd Gen Tundras (2007-2013)' started by histonskier, Aug 2, 2025.

  1. Aug 2, 2025 at 2:40 PM
    #1
    histonskier

    #1
    histonskier [OP] New Member

    Joined:
    Jun 12, 2022
    Member:
    #79506
    Messages:
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    Male
    Montana
    Got a 2013 5.7 ffv tundra that has crank no start issue. Diagnosed as fuel pump so I replaced that but that didn’t work. Finally figured out how to bypass the fuel pump control module and it started up. So I replaced the control module but that didn’t work. So now I’m assuming it’s a wiring issue. The upper black plugin is reading 12 v but the bottom grey one is not reading anything when I checked the voltage. I can’t figure out where this one leads to. Does anyone know which one this is for any leads on how to replace?
     
    histonskier, Aug 2, 2025
    #1
  2. Aug 2, 2025 at 2:43 PM
    #2
    histonskier

    #2
    histonskier [OP] New Member

    Joined:
    Jun 12, 2022
    Member:
    #79506
    Messages:
    23
    Gender:
    Male
    Montana
    plug in
     
    histonskier, Aug 2, 2025
    #2
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