Help where/what does this sensor hook to?

[whytry]

im in the middle of the 5.7 replacement and my sons helped some and I have this sensor I can't figure out where it connects to. Can someone help me with this one?

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[GarrettGmc]

On my 94 5.7 that connects to a plug in the passenger side of the engine block just couple inches in front of the starter. I know cuz I just disconnected it.

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[magimerlin]

It belongs to the knock sensor. Passenger side of block just ahead of where the starter mounts.

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[whytry]

Thank you guys!! I thought possibly there but wasn't sure n didn't want to break it.

I think last one. Can you guys help me with placement? It's top side of motor where it's ran looks like it starts from drivers side comes over front of engine and then goes to pass side by the alternator but it's fairly long

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[coale71]

That looks like the harness that connects to the pressure switch at the back of the a/c compressor.

 

[GarrettGmc]

That looks like the harness that connects to the pressure switch at the back of the a/c compressor.

X2.