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Air temp sending unit compatible with LM-1/LMA-2

Discussion in 'EFI Tuning Questions and Engine Management' started by orion_134, Aug 2, 2006.

  1. orion_134

    Joined:
    May 16, 2005
    I have the RPM converter and want to know what sending unit I can use that has a 5v signal. Will a IAT sensor from a mustang work, like from a 90's model? Really want to monitor air temps.
    Thanks,
    Jesse
     
    orion_134, Aug 2, 2006
    #1

  2. SWT Racing

    Joined:
    Jan 29, 2003
    Here you go:

    [​IMG]#ad
     
    SWT Racing, Aug 4, 2006
    #2

  3. orion_134

    Joined:
    May 16, 2005
    So just T the resistor'd 12v into the signal wire going to the aux input box and run a ground, is it that simple?
    Jesse
     
    orion_134, Aug 4, 2006
    #3

  4. orion_134

    Joined:
    May 16, 2005
    Not understanding the wiring...
     
    orion_134, Aug 10, 2006
    #4

  5. SWT Racing

    Joined:
    Jan 29, 2003
    Close. . .tee the resistored +5v into the signal wire. You can tee into the wire, or just attach it on the same terminal as the signal wire at the RPM cable. Make sure you ground the sensor at the RPM cable for accurate readings.

    If you don't have a +5v power supply, you'll need to build one or tap off the 5v supply from an existing sensor.
     
    SWT Racing, Aug 19, 2006
    #5
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