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universal o2 sensor wiring help

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    universal o2 sensor wiring help

    not sure how to wire this in stock harness wire colors are

    black/brown stripe
    black/white stripe
    black
    red/blue stripe

    i am going to be using a universal Bosch 4 wire o2 sensor

    #2
    see if that helps any....
    Attached Files
    92 protege lx-

    94 protege lx-

    95 escort gt-ms2e/ms2extra pre3.3alpha5 gslender v2.8-e85-vj23@12lbs----dead--

    are you a thinker, or a believer?

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      #3
      anyone got more ideas i found that red/blue stripe runs to the ecu

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        #4
        cant seem to figure this out because i don't have a stock sensor pigtail the wire colors are not the same as the harness for the oe sensor pigtail

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          #5
          oe denso sensor and other cars it fits


          engine harness wire colors are

          black/brown stripe
          black/white stripe
          black
          red/blue stripe

          bosch universal o2 sensor

          black
          white
          white
          grey

          oe o2 sensor with plug wire colors should be

          blue
          black
          black
          white

          Comment


            #6
            red/blue stripe is the signal and is the same as the 1 wires.

            im not sure about the rest but you should have an ign+ and two grounds?

            to find the hot get a test light and hook it up toeach of the remaining 3 wires and turn on the ignition and ground the ltester.

            the other two should just be grounded
            "Discontent is the first necessity of progress."
            -Thomas A. Edison

            "There is a fine line between ballin' on a budget, and dreamin' on an empty wallet."


            *Junked* 92 mx3, BP swap- milage whore, beaten up and down the east coast
            *Junked* KLZE powered 323 on Megasquirt 1
            172.60HP & 156.93 TQ with only headers and short ram intake. back under the knife for a BPT swap.
            New Daily stock 1.6L 1999 Mazda Protege LX

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              #7
              dude its really not that hard, if your that bored drive out and pop the hood on my purple one..... or remind me later an ill take a phone pic while im there... and you can grab a pigtail....
              92 protege lx-

              94 protege lx-

              95 escort gt-ms2e/ms2extra pre3.3alpha5 gslender v2.8-e85-vj23@12lbs----dead--

              are you a thinker, or a believer?

              Comment


                #8
                blah

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                  #9
                  i found a plug now i just need to know what wire goes to what

                  bosch universal

                  white
                  grey
                  black x2


                  94 protege o2 pigtail

                  blue
                  white
                  black x2

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                    #10
                    this is as far as i got following the pdf from boach is this right?


                    Attached Files

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                      #11
                      Or you can try this link also, that has color code on a 4 wire o2 sensor:

                      Comment

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