Why do you want to reconnect the sensor?
Just leave it off. The car will run cooler and more smoothly. You may want to adjust the mixture to compensate. If you want info about why/how this works...search the archives. It is replete with postings on this.
Nick.
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Nick Shumaker
1982 911SC Coupe
nickshu@yahoo.com
PCA -- Rocky Mtn. Region