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LS1 Harness hose?

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Old 04-21-2012, 04:48 PM   #1
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Default LS1 Harness hose?

What is this plastic vacuum style hose that runs through the LS1 engine harness and comes out by the PCM connectors? Where does it hook up and can I eliminate it?
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Old 04-21-2012, 05:19 PM   #2
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Vacuum source from rear of LS1 intake to AC/heater system. Delete it for a standalone harness.
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