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Air/fuel Ratio Meter

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Hi Guys,

I just bought a 2nd hand autometer air/fuel ratio guage. It came out of a GTi-R pulsar and I'll be throwing it into my 1jz '94 Soarer. :rolleyes:

Has anyone installed these before and if so, where is the air/fuel wire that goes into the ECU ? The closest I've seen is to find the sensor and tap in there. :unsure:

Has anyone installed a similar guage of any brand before. If so, where does the 3rd wire go ? The autometer site is pathetic for tech instructions. <_<


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what is the third wire?

you should have

+12 vdc

- ground

+ backlight

wire to the sensor tap

which one?

i tapped my afr to the ecu wiring

it depends on which sensor you want to see ,before or after the cat

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