vacuum line
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From: jacksonville, fl.
vacuum line the vacuum line that runs off the back of the intake t's over by the pcm. the one line runs back to the firewall and the other runs with the wiring harness. where does the one that runs thru the harness go to?
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Joined: Feb 2002
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From: Loganville, GA
both lines go to a 3port valve that controls your vent selection in the car. its a small lil' round shaped valve thats right in front of the heater box under the hood. just to the right of the PCM (lookin at the pcm)
Originally Posted by WS6nJAX
the vacuum line that runs off the back of the intake t's over by the pcm. the one line runs back to the firewall and the other runs with the wiring harness. where does the one that runs thru the harness go to?
Originally Posted by BLKWS6
both lines go to a 3port valve that controls your vent selection in the car. its a small lil' round shaped valve thats right in front of the heater box under the hood. just to the right of the PCM (lookin at the pcm)
It controls the door that switches the vents when you turn the heater selection ****. 
