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what is this?

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Old 03-07-2012, 05:29 PM
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where does this go? its off a 2003 5.3 vortec. the wires are red, grey and black and seem quite long as if they go under and around the engine. idk though.
Old 03-07-2012, 05:44 PM
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looks like an IAT plug
Old 03-07-2012, 07:28 PM
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What is that? I'm still learning the lingo
Old 03-07-2012, 07:35 PM
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inlet air temperature sensor.... should go near the air box
Old 03-07-2012, 11:45 PM
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What part of the harness is it stemming off of?
Old 03-08-2012, 01:24 PM
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The driver side. It goes down beside the coolant temp sensor and under the engine




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