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- Mazda P5
Ok I had to get a new O2 sensor but it was the dyi one. I just need to know what color is what for the connections on the secondary O2. Since I have 2 blacks 1 white 1 blue. My old O2 was the same but it got super f'd up and I don't know how the wires went.
So I don't just need to know what color is heater and ground etc I also need to know which black goes with what.
So I don't just need to know what color is heater and ground etc I also need to know which black goes with what.