IAT Sensor with Open Element, GM Style with a 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.5/5(4)Brand: Diyautotune Wiring & logging a GM IAT sensor | DSMtuners GM IAT sensor w/pigtail and 3/8 bung INSTALLATION. Once you get the bung welded onto your UICP thread the sensor into it and tighten it down with a wrench, then mock up the wiring harness. After mocking up the sensors pigtail unplug it from the back of the connector and trim the insulation off the ends of the wiring. Megasquirt your Miata - IAT Sensor Wiring (Pt. 4) - YouTube Click to view on Bing10:01This episode is a quick guide for the IAT sensor (Intake Air Temperature) wiring. This process is basically the same for any automotive connector. The IAT + MAP (pressure) sensors will replaceAuthor: OGPedXingViews: 2 Wiring your GM Map Sensor / IAT Sensor for use with a 'CSL A relocated IAT is often also required, the wiring for the IAT sensor should be connected in the following manor: IAT Sensor – Pin 1 to DME – X60003 Pin 22 (Yellow/Blue) – Power IAT Sensor – Pin 2 to DME – X60003 Pin 25 (Brown) – Ground. The wiring for the IAT sensor is reversible at the IAT end. IAT sensor wires in my MAF wiring harness and what color IAT sensor wires in my MAF wiring harness and what color are they? Customer Question. On the 2014 GMC Sierra 1500 6.2 engin with max towing and 3:73 Gears where will I find the IAT sensor and what color wiring sould I be looking for GM Grand Master Technician 2007. 14 years experience. Gary. Gm Iat Sensor Wiring - diagramweb Gm Iat Sensor Wiring. Help me wire an IAT sensor. I've been getting low mpg for awhile and I finally realized the IAT sensor was never properly crimped and wired in so wires have It is a GM connector, buy another and use the weather-tight butt.