ja_racing Posted February 24 Share Posted February 24 Anyone know the oxygen sensor wire colors coming from the firewall wiring harness mine are cut off and trying to figure out the wires to install a oxygen sensor Link to comment Share on other sites More sharing options...
Gojira94 Posted February 24 Share Posted February 24 Hopefully this will help. O2, CTS & knock. O2 sensor connector is A) Orange - from O2 heater relay, B) Black - ground, C) Gray - sensor signal to ECU. Link to comment Share on other sites More sharing options...
ja_racing Posted February 24 Author Share Posted February 24 1 hour ago, Gojira94 said: Hopefully this will help. O2, CTS & knock. O2 sensor connector is A) Orange - from O2 heater relay, B) Black - ground, C) Gray - sensor signal to ECU. Awesome this will definitely help thanks Link to comment Share on other sites More sharing options...
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