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installing a 4 wire heated o2

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  • installing a 4 wire heated o2

    I started to install a 4 wire o2 in place of my one wire none heated o2 sensor. My question is it has 2 black wires which I believe are the grounds and a white and a blue, is the white the hot and the blue the one to the ecm?

  • #2
    Originally posted by 923.4v6 View Post
    I started to install a 4 wire o2 in place of my one wire none heated o2 sensor. My question is it has 2 black wires which I believe are the grounds and a white and a blue, is the white the hot and the blue the one to the ecm?






    that should help.
    Past Builds;
    1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
    1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
    Current Project;
    1972 Nova 12.73@105.7 MPH

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    • #3
      iirc the two black wires are grounded together on my car. either way, the pinout will be correct no matter of the colors.
      Andy

      sigpic

      fastest 1/8: 10.19@ 67.17
      fastest 1/4: 16.16@ 82.70

      62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.

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      • #4
        thanks, we'll see how the the o2 readings show with the heated one.

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        • #5
          ok I got it in and the thing says its ready and ok in tp aldl flags, but keeps saying I have 446.42 o2 volts untill I switch it off. Everything else in tp is seems to be working fine, is there anything that may be turned off to cause it to show it all the time?
          Last edited by 923.4v6; 10-21-2008, 07:09 PM.

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