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Vehicle speed sensor

Discussion in 'Gen 3 Prius Technical Discussion' started by Rodbuilder, Jul 31, 2022.

  1. Rodbuilder

    Rodbuilder New Member

    Joined:
    Mar 11, 2022
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    Location:
    Northern Illinois
    Vehicle:
    2012 Prius
    Model:
    Three
    I'm designing a water meth injection system for Mt Gen 3 and would like some input on where I can tap into one of the speed sensors.

    The guy that's helping me used to be a Toyota mechanic and he looked on All Data and saw that there is a speed sensor on the radio.

    Im using a Lingenfelter speed-activated switch to control my water pump.

    Is that where we need to tap into, or should it be hooked up somewhere else?