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Thanks, I'll let him know. I'm a nuts and bolts person, have no electrical knowledge at all. 🙂

Thanks for that info. My brother-in-law has a Bachelor's and Master's in Electrical Engineering and spent his career in the auto industry. He is constantly tearing apart and rebuilding audio equipment, so I will get with him over the holidays. Thanks again.

I have a 2008 XLR OnStar Module for sale. It came from VIN 1G6YV36A885600241 parted out in November, 2018. I bought it to upgrade my 2004 XLR that never had the OnStar Analog to Digital upgrade performed. I installed it and talked on it with the OnStar people who would not update the VIN in...

How about the headlights, steering wheel and dash cover? Thanks, Mike

The dealer installed the VCIM from the '08 XLR. It was a simple Plug and Play swap, nothing else is required. They charged me 0.2 hours, which is what the original Document ID#1749457 dated Jan. 9, 2006 said it should be. When I bought the used VCIM from the '08 XLR I got the VIN and complete...

Update: I learned that the XLR antenna box 20781950 never changed during all production years 04-09, so is compatible with the later VCIM that I've installed. I don't need anything else. The box is working, but cannot connect to OnStar. I have the Station ID number and Electronic Serial...

Update: The VCIM is in and operational, but the antenna in the box over the windshield needs to be replaced with a digital version. I have a new thread in the Wanted section to see if anyone has one from an '07 or newer. More later.....

I have installed an updated VCIM to allow for the Digital Onstar conversion that was never done on my '04. Now I need the digital Onstar antenna that goes in the box above the windshield. Can anyone help with this? Thanks!

I have put my XLR to bed under its cover for the winter, will get to this in the Spring. I'll post when I have some further info to share. Thanks.

Thanks! Thanks for the replies. I have acquired a module from an '08 XLR, along with the VIN from that vehicle. My dealer says they will install it and coordinate the re-programming with OnStar. I think I'm good to go now, thanks again!

Thanks! Thanks for sending along the info on that floor mat grommet. This past week I found an original one in an old trunk bin cover, so am good to go now.

Need one '04 floor mat grommet. 1 5/16" OD, 3/8" hole. Same as rear partition grommet. Could anyone help me? Thanks!

Wanted OnStar Digital Upgrade Module Would like to acquire an OnStar Digital Upgrade Module for my '04 that never had the upgrade performed. Thanks!

I purchased my '04 in May from the family of a long-time friend who passed away five years ago. He never had the OnStar Analog to Digital conversion performed, and now the kit is no longer available. I'd like to have it for the Safety and Security package. Does anyone have the Digital module...

Bose Speakers in Seatbacks Do you still have any parts? I am restoring the leather seats in my XLR, and need the plastic collars that hold the Bose seatback speakers into the housings. The collars are black plastic, oval shaped and have a mounting hole at top and bottom. The opening in the...