LSX Z28

Has anyone come up with a part number for the kit yet for the 24’s?

Google GM Upfitter #153 and #147 it will give you all of the directions needed, and I think it has part numbers too. The kit already has relay's built in. some are rated at 30 amp, and some are rated at 20 amp. I don't remember which switch number is rated for what amps off the top of my head. You would just hook the single wire off the switch to the positive side of whatever you are wiring up, and just hook the ground to a ground anywhere. You can also set each switch separately if you want it hot all the time, or keyed with the ignition. Switch 5 is prewired for the roof mounted strobe light, but if you don't plan on using that, or your truck doesn't have that option, you can cut the wire out of the harness, and use it for whatever you want.

I know how that goes! Please keep us updated.

Did you ever get this to work with one of these harnesses? I did the swap 18 months ago, but finally decided to try and get the 12v and USB’s to work for the kids in the backseat.

I have been talking to them since December 2019 and they keep telling me the same thing. I have made it work with all GM parts, but need a better mount for the camera.

Thanks everyone for the replies. I looked under the truck, and it is just a standard torsion bar adjustment. From what I had read somewhere a while ago there was something that was different about the 2020's than just turning up the torsion bars. I don't have a need to turn them up, I will just keep it as is. The truck will still see a lot more miles without the plow on, then with it on. I have plowed heavy commercial for years, and never adjusted the bars on those trucks, and never had any issues, even keeping the trucks to 300,000 miles. I got out of commercial last year, and only plow about 20 driveways, and they are within a 5 mile radius of me. Also, I have around 1500 lbs in the bed at all times with the cap and tools, so I have a good ballast.

I have a 2020 2500HD with the plow prep package. I ran my plow all last year with no issues, but just upgraded to a new plow that is about 250 lbs heavier. The truck drops 1" with the plow raised, which isn't bad. I have heard that the trucks with the plow prep are designed with HD torsion bars that are meant to be adjusted when you install a plow. I have been searching all over here, and google, and can't find anything that specifies it for sure, or how to adjust them. Has anybody else heard about this, or know where I can find the info? I have never adjusted the keys on any of my previous trucks.

The only termination point is under the dash. Switch 5 is prewired for a strobe light in the roof, and the other end is in the spoiler. You could pull that wire out of the harness and cut it and then use it for what you want.

I did the same, except I had the bolster with push button start, and I needed one the one without.

For some reason GM doesn’t include the installation. It says in the installation bulletin it it is not paid for by GM, and dealers will not be reimbursed. Installing the switches is the hardest part. With the GM upfitter instructions, wiring only took me about an hour trying to figure it out for the first time. I could do it again in less than 30 minutes. It is nice all the mounting locations are there and all the parts are in the bag.

Yes, I still have the one with the push to start hole in it.

The only thing I would verify is the knee bolster part number. I believe there are two in black. 1 for trucks with push to start, and 1 for trucks with a standard key. ----- I could be wrong, but the one that I got had the hole in it for push to start. I just cut the switches into my existing bolster so I didn't have a big hole in it where the button would be.

From what I can tell in the picture, it looks like the right plug, and may work. The biggest issue I can see without spending the money on it, is the resolution. From what I have found, the backup camera in the tailgate is like 720 or 1080 resolution, whereas the rear view mirror camera is around 4k resolution.

I have some more pictures, but trying to figure how to upload them. I exceeded the my max size with the first three pictures.

A few months ago, I made this work. I only set it up temporarily to make sure that it would work. It worked perfect, but the big issue that I expected was correct. The angle, zoom, whatever you want to call it leaves you with a huge blind spot. since the camera is set to see past the back of the truck in its normal use, when you move it to the back of the truck, it views about 8' past the truck. Since I just ran the wires on the outside of the truck, and had the camera sitting on the top of the cap, I don't have any real world driving experience to see what it is like. The biggest hurdle with doing it the way I did, would be making a bracket to mount the camera. Getting the spoiler off to access the camera was a pain too, mostly removing the headliner. The two wires I bought to extend it were GM part # 84599550 and 84335461. Below are some pictures. The backup camera view in the dash: Camera on the back of the cap: The actual distance: