06 Sierra, which 2 of the 4 wires on th IAT to splice for a new module?

Question

A new racing module off of ebay states simply unplug your IAT and plug into it their diod, then tape up and you're ready to roll. Do not plug back in the IAT sensor because you can't with this in place. Anyone done this yet??

Answer 1

of the four wires that make up the connector for the mass air flow sensor with integrated IAT sensor, use terminal A BLK wire for low reference(ground) and terminal B TAN wire for IAT signal.