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02 sensor wire for air/fuel ratio on gtx

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    02 sensor wire for air/fuel ratio on gtx

    i need to know what the color code is for the 02 sensor wire that reads the air/fuel ratio, so i can hook up my air/fuel ratio gauge.
    i want to splice it right by my ecu for a cleaner install.

    also what wire should i use for a power source for my boost and air/fuel ratio gauges, should i use my ignition on/run wire, also what color code wire is that.

    thanks ryan
    5 boosted bp cars,why...

    #2
    For a JDM GTX, per my wiring diagrams, it looks like its R/L, which is Red/Blue, you can tap this wire right near the ECU under your dash. To verify, test wire with a multi-meter, your voltage should read 0.1-1.0

    O2 Sensor Guide Per Manual
    Ignition Switch ON: 0V
    Idle (Cold engine): 0V
    Idle (After Warm Up): 0-1.0V
    Increasing Engine Speed (After Warm Up): 0.5-1.0V
    Deceleration: 0-0.4V
    JordyB
    '88 Mazda 323 GTX
    '91 Ford Escort BPT

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