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Old 08-30-1999, 08:26 PM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
To read the signal you must have a lamda meter or volt meter that has a "duty cycle" feaure. The signal the the ECU sends is a processed signal, not a voltage signal. As Benzmac said use pins # 3 & 5, w/fluke 80-series in duty cycle mode