I called first thing this morning. They do have 2 available but they are apparently saving them for other trucks. Thanks for the info. One would think that if there’s a demand maybe they could make a few??
Awesome. So glad I found this thread. That is the only issue I've had with my truck in almost 5 months. It started right after I put in the Kicker subwoofer so I thought it was something sinister going on. I just left them out, I need to take it in for the brake recall and they can fix it then.
I also appreciate the input and the things I learned from reading all these posts. I installed mine today in my non-Bose 2020 LTZ. When I found this truck a couple of weeks ago I didn't care that it didn't have Bose or nav. I wasn't impressed with the Bose on my 2019 although previous trucks I've had w/Bose sounded OK. Install was no big deal, I used to install avionics many years ago. The part that sucked was tapping into the little plug that was tucked way out of the way. It took me most of the afternoon, mainly because I was trying to find out why there was an extra plug. I'm glad I checked the switches, 2 and 3 were down. I put all 6 up. After I finished it and fired it up I wasn't impressed. I moved the switches to 1-5 up and 6 down and it was much better. I also installed a bass control knob. It sounds pretty good to my aged ears. I listened to some Stones, Led Zeppelin, Doors, and other fine tunes from days gone by and I'm pleased.
Sorry for not giving enough info. They came off a 2019 LTZ crew cab and are 90" long. I live in the Houston area. They could be shipped but it would be expensive, they are heavy. $750.00 As far as fitting earlier trucks, I don't know. I can take some measurements.
I've done some searching and stumbled across the 2019 GM Upfitter website. I did find some info on what they're calling the assist step module in Section 6-520-521. It shows the connector part numbers. Other than knowing that it didn't help much about knowing where to tap into the right harness and plug. These came off a 2019 LTZ so at least I have the correct control module.
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