Oxygen sensor color codes

Jan 23, 2004 3 Replies
D

Hello, I have a '94 S10 4.3 TBI, need to know the color codes on the three wire oxygen sensor, mine has black, pink and purple wires, I need to know which two are the heater wires and which one is the signal wire. Thanks to all in advance.


-- David Algie Algie Composite Aircraft

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S

======================= purple is the sig to the computer. Pink is the 12v power, should be on with the key. Black is a ground.

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S

NP, I just changed mine and checked the power to the heater while I was under there, thats how I remebered.

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