what year are you installing it on?
Ive put a couple on 1G's and the o2 sensor wire is buried up under the passenger side kick panel (the one that gets hooked to the purple wire)
Ive got an autometer ultra-lite right now hooked up to that wire and it works fine. Im not sure about 2G's though

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I used to have a 420A...


'92 TSi AWD

11.8 @ 119mph
470awhp 405 ft/lb torque
30psi on E85 w/ Borg Warner S256 Turbo

My DSM Registry: http://www.dsmregistry.com/166