A couple of my favorites: 2500HD gauge cluster (for transmission temp gauge) and the "big brake" upgrade.What are some OEM upgrades I could do to my 04 suburban? So far I've only done a factory touch screen head unit and some wheels off of a newer truck
I honestly forgot about the trans temp gauge in the 2500s. I'll have to keep an eye out for a cluster. Gives me a chance to do a custom buildA couple of my favorites: 2500HD gauge cluster (for transmission temp gauge) and the "big brake" upgrade.
Been looking for some escalade rear sail panels and I've thought about doing the escalade glass/3rd brake light as well. Not too big of a fan of the interior stuff depending on what it isEscalade or Denali interior parts. Escalade real sail panels
I do have puddle lights that I swapped to LED already. Sweet idea about the z71 rack lights, im definitely gonna do that. Footwell lighting as well definitely seems like a good upgrade. Thanks for all the ideas!!does yours door mirrors have puddle lights under them? That would be a good up grade.
You can add foot well lighting also.
If you have a z71 roof rack like @ORVietVet has you can install lights on the rear flush in the rack.
If you have a factory sub in the rear cargo area you can pull the signal from the speaker wire at the sub and run them into a Line out Converter and install the amp where the factory sub is located then run what ever sub and box you like.
Looks like thisI do have puddle lights that I swapped to LED already. Sweet idea about the z71 rack lights, im definitely gonna do that. Footwell lighting as well definitely seems like a good upgrade. Thanks for all the ideas!!

Thanks!Looks like this
View attachment 2215
Check this link out for how he did it:
Z71 roof rack on a GMC yukon xl lights ...
I ordered some lights from Amazon they will work but it be a bit of cobble job.. is anybody figured out the right GM fog light kit that actually goes in them roof racks. You can see inside they're made for like a specific light. I'm curious if it's just those fog lights those round ones. They...www.tahoeyukonforum.com

Just out of curiosity, where is thus box located on our trucks? And was it plug and play?For reference I found part # 20794960 from a 2010 corvette c6.
View attachment 2220
The top box is the c6 unit. You can see the Bluetooth logo on the right. I remember modifying the mounting bracket slightly since the new unit was a bit thinner. I don’t recall the years but trailblazers and maybe Cadillac srx or something like that had the option as well.