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Re: GM - DIS - 1987 - 3.8 ltr sensor wave forms?
Posted to Technical Discussion Forum on 10/29/1999

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Hello Romain,

I think what your looking at is a magnetic pickup signal,with the 3rd wire being a ground [...] at the diagram or peel back the tape on the ckp sensor harness(at the sensor)and have a ... Login to read more.