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2001 Chevy Venture o2 sensor connector wiring diagram or is blue wire on the sensor signal or ground?
Wiki User
∙ 12y ago
My schematic (from the manual) does NOT show a blue wire. Also, there are 2 oxygen sensors: 1 & 2.
It shows Pink (power for the heater) for both sensors.
Black is Ground for Sensor 2.
Black/White is a "Heater Control" for Sensor 1 (probably grounded by PCM to turn the heater on) .
Purple & Tan are wired to the actual sensor 1 lines.
Purple/White & Tan/White are the actual sensor 2 lines.
Take Care,
Greg
Wiki User
∙ 12y ago
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