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No IAT wiring?

Old 09-10-2010, 10:14 AM
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Default No IAT wiring?

I have a 2002 Silverado harness that I am using for my conversion. I had it reworked to remove unnecessary wires by a guy on ebay. I ended up having to unwrap the harness and reroute it to get the fit that I wanted. I just realized after wrapping it all up last night that there is no IAT sensor! I am planning to have a speed density tune done and my understanding is that IAT and MAP is essential. Using the 2002 harness and ECM where and how do I add an IAT sensor? Is it needed if the throttle body has the IAC?
Old 09-10-2010, 11:43 AM
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On the truck wiring harness the iat sensor is in with the maf sensor so you might not have seen it in there
Old 09-10-2010, 12:38 PM
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identify the wires from pcm to iat sensor...2 of the 5 wires on truck maf...put f body iat connector on it and you should be good to go...
Old 09-10-2010, 01:29 PM
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Thanks! I removed the MAF since I was going with the SD tune...thankfully the wiring is tucked away in the harness. I will pull the two wires necessary and run them to the F-body IAT sensor I was planning to use in the charge tube.


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