4 wire o2 sensor
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4 wire o2 sensor
i know that i should just go buy a single wire but i have already welded it to my manifold. there are two signal wires, a signal wire ground and a signal wire + they both read on the a/f gauge but they act different.
does anyone know which one to use?
the gray(+) or black(ground) wire
does anyone know which one to use?
the gray(+) or black(ground) wire
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