Interior Temperature Control Sensor

By garwar
March 23, 2010 in Ask A GM Technician

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garwar

Posted March 23, 2010

My 2003 GMC 1500 HD has the digital automatic heater/ air controls. Well the heat only works when then temp is set on 90, any thing below and you have air conditioning. The dealership told me it was interior air temp sensor. I bought a sensor, I just now need to know where it is located. My best guess is behind the filter under the dash but I figured I would ask before tearing into the dash

Thanks Gary

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