GM IAT Sensor with open element & pigtail wideband If you are using the

If you are using the Relay Cable you are connecting the DB37 on the ECU to the Relay Board directly (so there is nowhere to plug the harness in anymore) and you then wire everything directly to the screw terminals on the relay board

Rally-Style Anti-Lag: Boosts performance during launches

Complete manual

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Real time barometric correction

GM IAT Sensor with open element & pigtail wideband If you are using theGM IAT Sensor with open element, includes 6 pigtail GM IAT Sensor with open element is the recommended Fast Response Intake Air Temp Sensor (IAT) for use on forced induction vehicles. GM IAT Sensor with open element are proper GM style sensors for use with ALL MegaSquirt & MS3Pro ECUs and include a 6 wire pig tail with weatherproof connector. The threads are 3 8 NPT pipe thread note that isnt an actual 3 8 outer diameter but a pipe thread size based