We are working on a 97 Geo Metro 4-dr 1.3 liter. We need information about the wiring of the oxygen sensor that is downstream of the converter.The old sensor has 2 black, 1 blue and 1 white wire. The new sensor has 2 white, 1 gray and 1 blue wire. Which are the output wires and ground wires?
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The instructions in the new sensor box aren't helpful in determining the ground and output wires of the old sensor. How do we distinquish that?
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