I'm trying to install an air/fuel monitor for my 2003 ram hemi. the wire diagrams that I have found do not match my wire colors. I have 2 white, 1 black, and 1 grey. I need to determine which is the signal wire. I think it is the black but need to confirm it. Thanks Art
The signal wire is tan with a white tracer
No, those wires refer to the factory wires up to the connector. The wires on the O2 sensor could be in any order. You'll need to peel back the factory loom to find the correct wire.
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