Question about 2007 GMC Yukon

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IAT Wire Colors

What are the colors of the IAT wires on a 2007 GMC Yukon with the 5.3 Engine. 6 wire plug.

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The IAT should only be a 3 wire plug not 6

Posted on Jan 30, 2009

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For a 2005 GMC yukon 5.3L what are the wire colors that control the IAT sensor There should only be 2 wires controlling it but there are 5 on the connection as it controls the MAF and IAT with the sa


The intake air temp sensor is part of the MAF sensor so yes there are 5 wires.
The two wires that go to the air temp sensor are tan and black. The other three are for the MAF.

Apr 20, 2013 | GMC Yukon Cars & Trucks

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2007 BMW 328i IAT Wire Colors in MAF Sensor


If you are installing a so called "chip" don't do it, it can harm the engine due the changes it causes in fuel control as related to Intake Air Temperature and burn holes in the pistons. All that little part really is, is a $.50 (50 cent) resistor that you can buy from Radio Shack, it is smoke and mirrors and it also will void any warranty you may have. I for one strongly advise against installing it, it will make not difference in power and all there claims are just lies and falsehoods..

Jun 08, 2012 | BMW Cars & Trucks

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The wires on my mass air flow sensor were broken (3)of them could you help me out as my new pigtail has different color wires and i would like to make sure i wire it right


Hi, does the sensor have letters A-E on the terminals? Normally the connector on the harness should slip right into the sensor. Does your sensor just have wires to be soldered--no receptacle? I have pasted the harness wire colors below for the 6.0 liter engine, including the terminal letter for each wire. If the sensor does not have letters, you will need to run a test to see which end begins with terminal "A". Since terminals A and B comprise the IAT, which is a thermister, you could use an ohmmeter on the 2 end terminals to see if the resistance changes with ambient temperature. Do not touch either sensor, but blow hot air on the IAT to see if the resistance changes with temp. Whiched 2 end terminals yield this temp sensitivity are terminals A and B.

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Jul 07, 2011 | 2001 GMC Sierra 2500HD

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2007 GMC 2500HD. TRYING TO FIND WHERE THE IAT SENSOR IS LOCATED. Is this on the lower left side of your truck under the hood. Does this have a 5 wire plug into the MAF?


Hello mahnkes.

You did not mention what engine you have.
I have based this reply on a 6.0 liter gasoline engine.

The IAT (intake air temperature) is integral with the MAF that is mounted in the intake duct and if defective will need to be replaced as an assembly.
#2 in the diagram below.

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I hope this helps you along.
Let me know if your engine isn't the 6.0

May 01, 2010 | 2007 Chevrolet Silverado 1500 2WD

1 Answer

IAT SENSOR


what do you mean by control? there is one wire normally pink or white with pink strip that is power 5 volts + black is ground and a reference voltage 5 volts ground is black or white so the other two colors would be the control wires going to the computer. However would need the first 8 numbers of the Vin to know for sure. you can also go to www.alldatadiy.com and purchase a subscription that will give you the exact information you need, they change color codes for wires from time to time and if you hook it up wrong you can destroy the computer so I suggest you purchase the subscription to be sure.

Mar 21, 2010 | 2004 GMC Sierra 2500

1 Answer

2007 GMC Yukon IAT sensor


Are you aware you can't really test this without the correct impedance meter You can ohm the sensor. But you will need to see how it responds while the car is warming up and you will need an laser to test for temp. I'm just letting you know that these newer computer in cars can be damaged easily with the wrong meter.
Good Luck

Jul 18, 2009 | 2007 GMC Yukon

1 Answer

2007 GMC Yukon. Can't locate the MAT or IAT sensor.


IAT is incoming air temperature sensor. Look from intake air hose/duct up to throttle body, for sensor that sticks into side or top of ducting that airflow coming in through there, or at front of throttle body area.

Jul 18, 2009 | 2007 GMC Yukon

1 Answer

Color code 91 Buick Electra


Colors will be the same on both ends ( the switch and the mirrors . Unfortunately both left and right mirrors have the same wiring colors. Check electical flow through the mirror switch so as to know which wire controls left mirror and which wire controls right mirror, to insure you don't re-wire in error . Hope this helps

Apr 26, 2009 | 2004 GMC Yukon

1 Answer

Wire colors for my IAT sensor


red with blue stripe and black... cut the red with blue strip and connect one end of the resistor to the harness side. Then splice the other end of the resistor to the black wire... do not cut it just splice into it.

Mar 27, 2009 | 2003 Mitsubishi Eclipse Coupe

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