HELP...Wires??? O2 Sensor
12-31-2005, 03:08 PM
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HELP...Wires??? O2 Sensor
I need to know the colour of each wire on the Rear 02 sensor on my 2005 chev silverado 5.3L. What colour is the Signal wire,+12 wire, ground, and heater wire? Thanks
12-31-2005, 03:42 PM
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Ok working from memory here... 
You should have 2 Grey wires, those are the heater wires.
The remaining 2 should be a lite color or white and a black. The black is the ground while the remaining would be your signal wire.
I hope this helps
You should have 2 Grey wires, those are the heater wires.
The remaining 2 should be a lite color or white and a black. The black is the ground while the remaining would be your signal wire.
I hope this helps
12-31-2005, 05:25 PM
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Originally Posted by knyznyk
What's the power wire (+12) then? I don't remember 5 wire.
