installing air/fuel gauge

ixcocoyxi

RS owner
which wire to i tap into on the ecu? there's 2 white/red wires and im supposed to tap into one of them.. i dont wanna pick the wrong one and short something out..

i have a 96 (full obd2) ls
i found one how to install on an obd1 gsr but that wont help me

and yes. i do have a wideband o2 waiting to get installed when i hook up the air/fuel gauge
 
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