Wiring Diagram For Bosch O2 Sensor. Disconnect the wire harness from the oxygen sensor. Cut the new sensor wires to length.
These wires serve to heat up the o2 sensor to bring it up to the o2 sensor signal gives an indication of oxygen content sensed by the probe. I have a 1997 mazda protege w 3 wire o2 sensor 2 white 1 blackby exhaust manifold and i have a 4 wire bosch universal o2 sensor2 white1 black and 1 gray what colors go where read full answer be the first to answer aug 17 2019 mazda cars trucks. Cut the new sensor wires to length.
Depress the two side tabs if present and pull the harness straight out of the sensor.
The o2 sensor has two white wires they do not have a polarity this is why it doesnt matter which you connect them as long as both connect to the heater wires. Pin on nice. 9 rows lay the bosch universal oxygen sensor beside the oe sensor and cut the bosch universal oxygen. Bosch 15730 oxygen sensor wiring diagram.