Going from a 3 wire O2 sensor to a 4 wire. How?
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Going from a 3 wire O2 sensor to a 4 wire. How?
I recently purchased an AC Delco 4 wire O2 to help fix my emissions problem. Well, it's a 4 wire weather pack connection. How do I get this to mate to my 3 wire hookup? I searched the boards, but didn't find what I was looking for.
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