That appears to be a 93 model if I'm reading it correctly. If it works with a 91-93 ECM, then it is most likely correct as ONLY the 91-93 model 4L80E had the output reluctor installed in a 4x4 4L80E. Otherwise to be certain you have to drop the pan and look at the force motor to see which one it has.
My 95 4WD trans has the output reluctor.
1995 K1500, Cadillac 500 TBI with 4L80E swap. 7427 PCM and 454 TBI.
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