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turbo nut turbo nut is offline
Join Date: Jun 2008
Location: Yamhill OR.
Posts: 425
They should come in the kit. The button is for doing a free air calibration. The led is for trouble codes. You dont have to have them but it makes things easy. You can just ground the black wire for three seconds (IIRC) and it will preform a free air calibration.
Old 11-02-2010, 07:23 PM
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