Question about hooking up A/F ratio gauge.
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Question about hooking up A/F ratio gauge.
Hey, I have an Autometer A/F ratio gauge that I had from a long time ago. I was going to put it in an MR2 that I had be never did. So cleaning up the garage this weekend I came across it and thought I would put it in the RX7. The one issue is I don't have the instructions for hooking it up.
It has three wires on the back of it, a black, a red, and a purple. I was thinking maybe black was ground, red was a 12v suply and the purple gets hooked up to the O2 sensor wire, but that was just a guess.
If any one can give me any info, that would be a big big help...
THANKS
Kyle
It has three wires on the back of it, a black, a red, and a purple. I was thinking maybe black was ground, red was a 12v suply and the purple gets hooked up to the O2 sensor wire, but that was just a guess.
If any one can give me any info, that would be a big big help...
THANKS
Kyle
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