Depending on what model You have the AUX input for a 2006 GMC Envoy can be in one of two different locations. The first location will be on the dashboard next to the stereo just above it on the right side. Lower level trims of this vehicle are going to have the aux input inside of the glove compartment. You'll need to open it up and then look to the top left inside of it. Once You find it You'll be able to stream music from Your device through Your radio by pressing the button on the front of it to switch it in to AUX mode.
I have a o6 but I still can't find were to plug into the aux for my phone
Saul J
July 16, 2020
The 2006 gmc envoy aux input location is on the dash board of the vehicle, look for the 3.5 Mm audio jack.
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