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I just got delivery of a new at4 but it doesn't have sunroof or rear sliding window. I am going to change the overhead console to one with the switch for the rear window as its the only way to add a garage remote and from another topic on this forum it appears to be plug and play for the remote to work. However, I recently took down the console and noticed a large plug with cable in it unused on top of the console, as you can see in the pictures, and I was wondering if you guys know what this is for? I hope I can buy the sliding rear window and simply plug and play at both ends.

Has anyone done this yet or know of anyone who has?

What is that unused plug for?



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I suggest you read this 217 page thread about the sliding rear window leaks before you decide to install an OEM rear slider.





No expertise implied or expressed

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Thanks but that doesn’t really worry me, I just sold my 19’ LT TB and never had a single issue with it through its weekly wash, plus very few rainy days where I live. I need that window for work.

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  • 2 months later...

Doable? Probably but not an easy task for a DIY'r as they are set in urethane and best done by a professional with the proper tools to cut out the existing glass properly and mix the urethane (2 part system).  I am told the tools to cut the urethane are quite pricey as when the replaced the ws in my 2015 the left theirs in my garage and were happy when I called them to tell them I had it.  The person answering the phone said that was a very expensive piece of equipment and they had no idea the installer left it behind as he came 100 miles to install it and had to come back and get it.

I am guessing it will be very expensive for the window + the install as dealer will not do glass, they call a pro. robots set the rear and front glass in the factory.

Edited by elcamino
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