Question about 1996 Honda Civic
I am installing a universal 4 wire bosch O2 sensor. You are supposed to crimp on to each wire a solderless connector that is supplied with the sensor and put each wire into the 4 pin connector. The wires on the O2 sensor are 1 green, 1 white and 2 black ones(internal sensor heater). The green wire is the negative signal wire, the white wire is the positive signal wire and the 2 black wires are the heater wires (heater wires are not polarity dependant).
The problem that I am having is that I dont know which wires on the wire harness connector are the + & - signal wires and which ones are the heater wires. It is also imperitive that the polarity of the signal wires are matched up. I searched all over on-line to find a wiring schematic for a 97 Honda civic and cant find one that you dont have to pay for. Any suggestions?
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