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WHAT IS THE COLOR CODE FOR 4 WIRE O2 SENSOR FRONT AND BACK ON A 1996 GEO METRO THE WIRES I HAVE ARE 2 BLACK 1 WHITE 1 BLUE THANK YOU FOR ANY HELP?

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December 22, 2008 4:19PM

BLACK WIRES=HEATER CIRCUIT

WHITE WIRE=SENSOR GROUND

BLUE WIRE=SENSOR PLUS

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