2007 GMC Sierra: 2 IAT Sensor Wires?

Which 2 wires lead to the maf/iat sensor.In total there are 5 wires.Out of that 2 are IAT sensor wires and 3 are MAF sensor wires.

Below is the details and diagram which shows what wire controls what.



The tan wire is IAT signal and black wire is IAT reference.




See this pin out chat for the wires and its location.




This details will help.
Thanks.

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