A/f Gauge install...help!
Now, before you get all mad and tell me to search I have, for about 2 hours, and I get diagrams and such about the install but no good explanation for what I am looking for. It was a gift, and I am going to use it. I know it is "useless" to some extent, that is not the purpose of this thread. I have a 2002 WRX. I know that you are supposed to hook the 3rd wire, (not power or ground) to the ecu. I know it is supposed to be hooked up to line B-17. in group "B-135". What i dont know is which one this is. My ecu looks different than any of the diagrams I have seen. Does anyone have a clear picture of which wire this would be? or what port? or anything? Any help is appreciated.
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Do you know for sure w/ sensor it'll be hooked up to?? Front or rear?? i had mine hooked up to the rear O2 sensor for the longest until i did the cel fix and it works only about half way now:( I know the wire to hook up to for the rear O2 sensor if interested :)
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You should hook it up to the front o2 sensor because that is what the ecu uses as the A/F ratio monitor. I am not sure which wire is the signal for the front O2 so here is how to hook it up for b-135 #17
Find the connector with one notch on the top and another notch on the bottom. 10 wires wide in the middle. 3 from the right in the middle. Look at the image I hope it helps. -skooter |
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